diff --git a/src/myfasthtml/controls/Boundaries.py b/src/myfasthtml/controls/Boundaries.py
index 2568f17..9c99353 100644
--- a/src/myfasthtml/controls/Boundaries.py
+++ b/src/myfasthtml/controls/Boundaries.py
@@ -17,6 +17,7 @@ class Commands(BaseCommands):
   def update_boundaries(self):
     return Command(f"{self._prefix}UpdateBoundaries",
                    "Update component boundaries",
+                   self._owner,
                    self._owner.update_boundaries).htmx(target=f"{self._owner.get_id()}")
 
 
diff --git a/src/myfasthtml/controls/DataGridsManager.py b/src/myfasthtml/controls/DataGridsManager.py
index d371d57..aada9f5 100644
--- a/src/myfasthtml/controls/DataGridsManager.py
+++ b/src/myfasthtml/controls/DataGridsManager.py
@@ -36,16 +36,19 @@ class Commands(BaseCommands):
   def upload_from_source(self):
     return Command("UploadFromSource",
                    "Upload from source",
+                   self._owner,
                    self._owner.upload_from_source).htmx(target=None)
   
   def new_grid(self):
     return Command("NewGrid",
                    "New grid",
+                   self._owner,
                    self._owner.new_grid)
   
   def open_from_excel(self, tab_id, file_upload):
     return Command("OpenFromExcel",
                    "Open from Excel",
+                   self._owner,
                    self._owner.open_from_excel,
                    tab_id,
                    file_upload).htmx(target=f"#{self._owner._tree.get_id()}")
@@ -53,6 +56,7 @@ class Commands(BaseCommands):
   def clear_tree(self):
     return Command("ClearTree",
                    "Clear tree",
+                   self._owner,
                    self._owner.clear_tree).htmx(target=f"#{self._owner._tree.get_id()}")
 
 
diff --git a/src/myfasthtml/controls/Dropdown.py b/src/myfasthtml/controls/Dropdown.py
index 145732f..ee303fc 100644
--- a/src/myfasthtml/controls/Dropdown.py
+++ b/src/myfasthtml/controls/Dropdown.py
@@ -10,10 +10,16 @@ from myfasthtml.core.instances import MultipleInstance
 
 class Commands(BaseCommands):
   def close(self):
-    return Command("Close", "Close Dropdown", self._owner.close).htmx(target=f"#{self._owner.get_id()}-content")
+    return Command("Close",
+                   "Close Dropdown",
+                   self._owner,
+                   self._owner.close).htmx(target=f"#{self._owner.get_id()}-content")
   
   def click(self):
-    return Command("Click", "Click on Dropdown", self._owner.on_click).htmx(target=f"#{self._owner.get_id()}-content")
+    return Command("Click",
+                   "Click on Dropdown",
+                   self._owner,
+                   self._owner.on_click).htmx(target=f"#{self._owner.get_id()}-content")
 
 
 class DropdownState:
diff --git a/src/myfasthtml/controls/FileUpload.py b/src/myfasthtml/controls/FileUpload.py
index b9f38f0..716df99 100644
--- a/src/myfasthtml/controls/FileUpload.py
+++ b/src/myfasthtml/controls/FileUpload.py
@@ -34,10 +34,16 @@ class Commands(BaseCommands):
     super().__init__(owner)
   
   def on_file_uploaded(self):
-    return Command("UploadFile", "Upload file", self._owner.upload_file).htmx(target=f"#sn_{self._id}")
+    return Command("UploadFile",
+                   "Upload file",
+                   self._owner,
+                   self._owner.upload_file).htmx(target=f"#sn_{self._id}")
   
   def on_sheet_selected(self):
-    return Command("SheetSelected", "Sheet selected", self._owner.select_sheet).htmx(target=f"#sn_{self._id}")
+    return Command("SheetSelected",
+                   "Sheet selected",
+                   self._owner,
+                   self._owner.select_sheet).htmx(target=f"#sn_{self._id}")
 
 
 class FileUpload(MultipleInstance):
diff --git a/src/myfasthtml/controls/InstancesDebugger.py b/src/myfasthtml/controls/InstancesDebugger.py
index 55d2cb1..da2e531 100644
--- a/src/myfasthtml/controls/InstancesDebugger.py
+++ b/src/myfasthtml/controls/InstancesDebugger.py
@@ -12,6 +12,7 @@ class InstancesDebugger(SingleInstance):
     self._panel = Panel(self, _id="-panel")
     self._command = Command("ShowInstance",
                             "Display selected Instance",
+                            self,
                             self.on_network_event).htmx(target=f"#{self._panel.get_id()}_r")
   
   def render(self):
diff --git a/src/myfasthtml/controls/Layout.py b/src/myfasthtml/controls/Layout.py
index 758a335..0be079f 100644
--- a/src/myfasthtml/controls/Layout.py
+++ b/src/myfasthtml/controls/Layout.py
@@ -37,7 +37,10 @@ class LayoutState(DbObject):
 
 class Commands(BaseCommands):
   def toggle_drawer(self, side: Literal["left", "right"]):
-    return Command("ToggleDrawer", f"Toggle {side} layout drawer", self._owner.toggle_drawer, side)
+    return Command("ToggleDrawer",
+                   f"Toggle {side} layout drawer",
+                   self._owner,
+                   self._owner.toggle_drawer, side)
   
   def update_drawer_width(self, side: Literal["left", "right"], width: int = None):
     """
@@ -50,12 +53,11 @@ class Commands(BaseCommands):
     Returns:
         Command: Command object for updating drawer width
     """
-    return Command(
-      f"UpdateDrawerWidth_{side}",
-      f"Update {side} drawer width",
-      self._owner.update_drawer_width,
-      side
-    )
+    return Command(f"UpdateDrawerWidth_{side}",
+                   f"Update {side} drawer width",
+                   self._owner,
+                   self._owner.update_drawer_width,
+                   side)
 
 
 class Layout(SingleInstance):
diff --git a/src/myfasthtml/controls/Panel.py b/src/myfasthtml/controls/Panel.py
index eecf312..36fedcc 100644
--- a/src/myfasthtml/controls/Panel.py
+++ b/src/myfasthtml/controls/Panel.py
@@ -17,7 +17,11 @@ class PanelConf:
 
 class Commands(BaseCommands):
   def toggle_side(self, side: Literal["left", "right"]):
-    return Command("TogglePanelSide", f"Toggle {side} side panel", self._owner.toggle_side, side)
+    return Command("TogglePanelSide",
+                   f"Toggle {side} side panel",
+                   self._owner,
+                   self._owner.toggle_side,
+                   side)
   
   def update_side_width(self, side: Literal["left", "right"]):
     """
@@ -29,12 +33,11 @@ class Commands(BaseCommands):
     Returns:
         Command: Command object for updating panel's side width
     """
-    return Command(
-      f"UpdatePanelSideWidth_{side}",
-      f"Update {side} side panel width",
-      self._owner.update_side_width,
-      side
-    )
+    return Command(f"UpdatePanelSideWidth_{side}",
+                   f"Update {side} side panel width",
+                   self._owner,
+                   self._owner.update_side_width,
+                   side)
 
 
 class Panel(MultipleInstance):
diff --git a/src/myfasthtml/controls/Search.py b/src/myfasthtml/controls/Search.py
index b04fe48..edf7f6b 100644
--- a/src/myfasthtml/controls/Search.py
+++ b/src/myfasthtml/controls/Search.py
@@ -14,10 +14,12 @@ logger = logging.getLogger("Search")
 
 class Commands(BaseCommands):
   def search(self):
-    return (Command("Search", f"Search {self._owner.items_names}", self._owner.on_search).
-            htmx(target=f"#{self._owner.get_id()}-results",
-                 trigger="keyup changed delay:300ms",
-                 swap="innerHTML"))
+    return (Command("Search",
+                    f"Search {self._owner.items_names}",
+                    self._owner,
+                    self._owner.on_search).htmx(target=f"#{self._owner.get_id()}-results",
+                                                trigger="keyup changed delay:300ms",
+                                                swap="innerHTML"))
 
 
 class Search(MultipleInstance):
diff --git a/src/myfasthtml/controls/TabsManager.py b/src/myfasthtml/controls/TabsManager.py
index 05fd09f..f7825d8 100644
--- a/src/myfasthtml/controls/TabsManager.py
+++ b/src/myfasthtml/controls/TabsManager.py
@@ -60,6 +60,7 @@ class Commands(BaseCommands):
   def show_tab(self, tab_id):
     return Command(f"{self._prefix}ShowTab",
                    "Activate or show a specific tab",
+                   self._owner,
                    self._owner.show_tab,
                    tab_id,
                    True,
@@ -68,12 +69,14 @@ class Commands(BaseCommands):
   def close_tab(self, tab_id):
     return Command(f"{self._prefix}CloseTab",
                    "Close a specific tab",
+                   self._owner,
                    self._owner.close_tab,
                    tab_id).htmx(target=f"#{self._id}-controller", swap="outerHTML")
   
   def add_tab(self, label: str, component: Any, auto_increment=False):
     return Command(f"{self._prefix}AddTab",
                    "Add a new tab",
+                   self._owner,
                    self._owner.on_new_tab,
                    label,
                    component,
diff --git a/src/myfasthtml/controls/TreeView.py b/src/myfasthtml/controls/TreeView.py
index a9bb56d..fd93536 100644
--- a/src/myfasthtml/controls/TreeView.py
+++ b/src/myfasthtml/controls/TreeView.py
@@ -66,74 +66,67 @@ class Commands(BaseCommands):
   
   def toggle_node(self, node_id: str):
     """Create command to expand/collapse a node."""
-    return Command(
-      "ToggleNode",
-      f"Toggle node {node_id}",
-      self._owner._toggle_node,
-      node_id
-    ).htmx(target=f"#{self._owner.get_id()}")
+    return Command("ToggleNode",
+                   f"Toggle node {node_id}",
+                   self._owner,
+                   self._owner._toggle_node,
+                   node_id).htmx(target=f"#{self._owner.get_id()}")
   
   def add_child(self, parent_id: str):
     """Create command to add a child node."""
-    return Command(
-      "AddChild",
-      f"Add child to {parent_id}",
-      self._owner._add_child,
-      parent_id
-    ).htmx(target=f"#{self._owner.get_id()}")
+    return Command("AddChild",
+                   f"Add child to {parent_id}",
+                   self._owner,
+                   self._owner._add_child,
+                   parent_id).htmx(target=f"#{self._owner.get_id()}")
   
   def add_sibling(self, node_id: str):
     """Create command to add a sibling node."""
-    return Command(
-      "AddSibling",
-      f"Add sibling to {node_id}",
-      self._owner._add_sibling,
-      node_id
-    ).htmx(target=f"#{self._owner.get_id()}")
+    return Command("AddSibling",
+                   f"Add sibling to {node_id}",
+                   self._owner,
+                   self._owner._add_sibling,
+                   node_id
+                   ).htmx(target=f"#{self._owner.get_id()}")
   
   def start_rename(self, node_id: str):
     """Create command to start renaming a node."""
-    return Command(
-      "StartRename",
-      f"Start renaming {node_id}",
-      self._owner._start_rename,
-      node_id
-    ).htmx(target=f"#{self._owner.get_id()}")
+    return Command("StartRename",
+                   f"Start renaming {node_id}",
+                   self._owner,
+                   self._owner._start_rename,
+                   node_id).htmx(target=f"#{self._owner.get_id()}")
   
   def save_rename(self, node_id: str):
     """Create command to save renamed node."""
-    return Command(
-      "SaveRename",
-      f"Save rename for {node_id}",
-      self._owner._save_rename,
-      node_id
-    ).htmx(target=f"#{self._owner.get_id()}")
+    return Command("SaveRename",
+                   f"Save rename for {node_id}",
+                   self._owner,
+                   self._owner._save_rename,
+                   node_id).htmx(target=f"#{self._owner.get_id()}")
   
   def cancel_rename(self):
     """Create command to cancel renaming."""
-    return Command(
-      "CancelRename",
-      "Cancel rename",
-      self._owner._cancel_rename
-    ).htmx(target=f"#{self._owner.get_id()}")
+    return Command("CancelRename",
+                   "Cancel rename",
+                   self._owner,
+                   self._owner._cancel_rename).htmx(target=f"#{self._owner.get_id()}")
   
   def delete_node(self, node_id: str):
     """Create command to delete a node."""
-    return Command(
-      "DeleteNode",
-      f"Delete node {node_id}",
-      self._owner._delete_node,
-      node_id
-    ).htmx(target=f"#{self._owner.get_id()}")
+    return Command("DeleteNode",
+                   f"Delete node {node_id}",
+                   self._owner,
+                   self._owner._delete_node,
+                   node_id).htmx(target=f"#{self._owner.get_id()}")
   
   def select_node(self, node_id: str):
     """Create command to select a node."""
-    return Command(
-      "SelectNode",
-      f"Select node {node_id}",
-      self._owner._select_node,
-      node_id
-    ).htmx(target=f"#{self._owner.get_id()}")
+    return Command("SelectNode",
+                   f"Select node {node_id}",
+                   self._owner,
+                   self._owner._select_node,
+                   node_id).htmx(target=f"#{self._owner.get_id()}")
 
 
 class TreeView(MultipleInstance):
@@ -187,7 +180,7 @@ class TreeView(MultipleInstance):
     self._state.items[node.id] = node
     if parent_id is None and node.parent is not None:
       parent_id = node.parent
-      
+    
     node.parent = parent_id
     
     if parent_id and parent_id in self._state.items:
diff --git a/src/myfasthtml/controls/UserProfile.py b/src/myfasthtml/controls/UserProfile.py
index 7fb5372..c5fc366 100644
--- a/src/myfasthtml/controls/UserProfile.py
+++ b/src/myfasthtml/controls/UserProfile.py
@@ -33,7 +33,10 @@ class UserProfileState:
 
 class Commands(BaseCommands):
   def update_dark_mode(self):
-    return Command("UpdateDarkMode", "Set the dark mode", self._owner.update_dark_mode).htmx(target=None)
+    return Command("UpdateDarkMode",
+                   "Set the dark mode",
+                   self._owner,
+                   self._owner.update_dark_mode).htmx(target=None)
 
 
 class UserProfile(SingleInstance):
diff --git a/src/myfasthtml/core/commands.py b/src/myfasthtml/core/commands.py
index 315811b..5a1e1b0 100644
--- a/src/myfasthtml/core/commands.py
+++ b/src/myfasthtml/core/commands.py
@@ -25,10 +25,11 @@ class BaseCommand:
   :type description: str
   """
   
-  def __init__(self, name, description, auto_register=True):
+  def __init__(self, name, description, owner=None, auto_register=True):
     self.id = uuid.uuid4()
     self.name = name
     self.description = description
+    self.owner = owner
     self._htmx_extra = {}
     self._bindings = []
     self._ft = None
@@ -133,8 +134,8 @@ class Command(BaseCommand):
   :type kwargs: dict
   """
   
-  def __init__(self, name, description, callback, *args, **kwargs):
-    super().__init__(name, description)
+  def __init__(self, name, description, owner, callback, *args, **kwargs):
+    super().__init__(name, description, owner=owner)
     self.callback = callback
     self.callback_parameters = dict(inspect.signature(callback).parameters) if callback else {}
     self.args = args
@@ -202,8 +203,8 @@ class Command(BaseCommand):
 
 
 class LambdaCommand(Command):
-  def __init__(self, delegate, name="LambdaCommand", description="Lambda Command"):
-    super().__init__(name, description, delegate)
+  def __init__(self, owner, delegate, name="LambdaCommand", description="Lambda Command"):
+    super().__init__(name, description, owner, delegate)
     self.htmx(target=None)
   
   def execute(self, client_response: dict = None):
diff --git a/src/myfasthtml/examples/binding_datalist.py b/src/myfasthtml/examples/binding_datalist.py
index 70289f5..2517961 100644
--- a/src/myfasthtml/examples/binding_datalist.py
+++ b/src/myfasthtml/examples/binding_datalist.py
@@ -49,8 +49,14 @@ def get():
   mk.manage_binding(datalist, Binding(data))
   mk.manage_binding(label_elt, Binding(data))
   
-  add_button = mk.button("Add", command=Command("Add", "Add a suggestion", add_suggestion).bind(data))
-  remove_button = mk.button("Remove", command=Command("Remove", "Remove a suggestion", remove_suggestion).bind(data))
+  add_button = mk.button("Add", command=Command("Add",
+                                                "Add a suggestion",
+                                                None,
+                                                add_suggestion).bind(data))
+  remove_button = mk.button("Remove", command=Command("Remove",
+                                                      "Remove a suggestion",
+                                                      None,
+                                                      remove_suggestion).bind(data))
   
   return Div(
     add_button,
diff --git a/src/myfasthtml/examples/clickme.py b/src/myfasthtml/examples/clickme.py
index 5c4ca88..6ade14a 100644
--- a/src/myfasthtml/examples/clickme.py
+++ b/src/myfasthtml/examples/clickme.py
@@ -11,7 +11,10 @@ def say_hello():
 
 
 # Create the command
-hello_command = Command("say_hello", "Responds with a greeting", say_hello)
+hello_command = Command("say_hello",
+                        "Responds with a greeting",
+                        None,
+                        say_hello)
 
 # Create the app
 app, rt = create_app(protect_routes=False)
diff --git a/src/myfasthtml/examples/command_with_htmx_params.py b/src/myfasthtml/examples/command_with_htmx_params.py
index 3ab2747..f01dfc0 100644
--- a/src/myfasthtml/examples/command_with_htmx_params.py
+++ b/src/myfasthtml/examples/command_with_htmx_params.py
@@ -13,7 +13,10 @@ def change_text():
   return "New text"
 
 
-command = Command("change_text", "change the text", change_text).htmx(target="#text")
+command = Command("change_text",
+                  "change the text",
+                  None,
+                  change_text).htmx(target="#text")
 
 
 @rt("/")
diff --git a/tests/controls/test_helpers.py b/tests/controls/test_helpers.py
index 5269e13..3f66293 100644
--- a/tests/controls/test_helpers.py
+++ b/tests/controls/test_helpers.py
@@ -45,7 +45,7 @@ def test_i_can_mk_button_with_attrs():
 def test_i_can_mk_button_with_command(user, rt):
   def new_value(value): return value
   
-  command = Command('test', 'TestingCommand', new_value, "this is my new value")
+  command = Command('test', 'TestingCommand', None, new_value, "this is my new value")
   
   @rt('/')
   def get(): return mk.button('button', command)
diff --git a/tests/core/test_commands.py b/tests/core/test_commands.py
index 5105623..842c718 100644
--- a/tests/core/test_commands.py
+++ b/tests/core/test_commands.py
@@ -27,21 +27,21 @@ def reset_command_manager():
 class TestCommandDefault:
   
   def test_i_can_create_a_command_with_no_params(self):
-    command = Command('test', 'Command description', callback)
+    command = Command('test', 'Command description', None, callback)
     assert command.id is not None
     assert command.name == 'test'
     assert command.description == 'Command description'
     assert command.execute() == "Hello World"
   
   def test_command_are_registered(self):
-    command = Command('test', 'Command description', callback)
+    command = Command('test', 'Command description', None, callback)
     assert CommandsManager.commands.get(str(command.id)) is command
 
 
 class TestCommandBind:
   
   def test_i_can_bind_a_command_to_an_element(self):
-    command = Command('test', 'Command description', callback)
+    command = Command('test', 'Command description', None, callback)
     elt = Button()
     updated = command.bind_ft(elt)
     
@@ -50,7 +50,7 @@ class TestCommandBind:
     assert matches(updated, expected)
   
   def test_i_can_suppress_swapping_with_target_attr(self):
-    command = Command('test', 'Command description', callback).htmx(target=None)
+    command = Command('test', 'Command description', None, callback).htmx(target=None)
     elt = Button()
     updated = command.bind_ft(elt)
     
@@ -70,7 +70,7 @@ class TestCommandBind:
     
     make_observable(data)
     bind(data, "value", on_data_change)
-    command = Command('test', 'Command description', another_callback).bind(data)
+    command = Command('test', 'Command description', None, another_callback).bind(data)
     
     res = command.execute()
     
@@ -88,14 +88,14 @@ class TestCommandBind:
     
     make_observable(data)
     bind(data, "value", on_data_change)
-    command = Command('test', 'Command description', another_callback).bind(data)
+    command = Command('test', 'Command description', None, another_callback).bind(data)
     
     res = command.execute()
     
     assert res == ["another 1", "another 2", ("hello", "new value")]
   
   def test_by_default_swap_is_set_to_outer_html(self):
-    command = Command('test', 'Command description', callback)
+    command = Command('test', 'Command description', None, callback)
     elt = Button()
     updated = command.bind_ft(elt)
     
@@ -113,7 +113,7 @@ class TestCommandBind:
     def another_callback():
       return return_values
     
-    command = Command('test', 'Command description', another_callback)
+    command = Command('test', 'Command description', None, another_callback)
     
     res = command.execute()
     
@@ -125,7 +125,7 @@ class TestCommandBind:
 class TestCommandExecute:
   
   def test_i_can_create_a_command_with_no_params(self):
-    command = Command('test', 'Command description', callback)
+    command = Command('test', 'Command description', None, callback)
     assert command.id is not None
     assert command.name == 'test'
     assert command.description == 'Command description'
@@ -137,7 +137,7 @@ class TestCommandExecute:
     def callback_with_param(param):
       return f"Hello {param}"
     
-    command = Command('test', 'Command description', callback_with_param, "world")
+    command = Command('test', 'Command description', None, callback_with_param, "world")
     assert command.execute() == "Hello world"
   
   def test_i_can_execute_a_command_with_open_parameter(self):
@@ -146,7 +146,7 @@ class TestCommandExecute:
     def callback_with_param(name):
       return f"Hello {name}"
     
-    command = Command('test', 'Command description', callback_with_param)
+    command = Command('test', 'Command description', None, callback_with_param)
     assert command.execute(client_response={"name": "world"}) == "Hello world"
   
   def test_i_can_convert_arg_in_execute(self):
@@ -155,7 +155,7 @@ class TestCommandExecute:
     def callback_with_param(number: int):
       assert isinstance(number, int)
     
-    command = Command('test', 'Command description', callback_with_param)
+    command = Command('test', 'Command description', None, callback_with_param)
     command.execute(client_response={"number": "10"})
   
   def test_swap_oob_is_added_when_multiple_elements_are_returned(self):
@@ -164,7 +164,7 @@ class TestCommandExecute:
     def another_callback():
       return Div(id="first"), Div(id="second"), "hello", Div(id="third")
     
-    command = Command('test', 'Command description', another_callback)
+    command = Command('test', 'Command description', None, another_callback)
     
     res = command.execute()
     assert "hx-swap-oob" not in res[0].attrs
@@ -177,7 +177,7 @@ class TestCommandExecute:
     def another_callback():
       return Div(id="first"), Div(), "hello", Div()
     
-    command = Command('test', 'Command description', another_callback)
+    command = Command('test', 'Command description', None, another_callback)
     
     res = command.execute()
     assert "hx-swap-oob" not in res[0].attrs
@@ -188,9 +188,9 @@ class TestCommandExecute:
 class TestLambaCommand:
   
   def test_i_can_create_a_command_from_lambda(self):
-    command = LambdaCommand(lambda resp: "Hello World")
+    command = LambdaCommand(None, lambda resp: "Hello World")
     assert command.execute() == "Hello World"
   
   def test_by_default_target_is_none(self):
-    command = LambdaCommand(lambda resp: "Hello World")
+    command = LambdaCommand(None, lambda resp: "Hello World")
     assert command.get_htmx_params()["hx-swap"] == "none"
diff --git a/tests/test_integration.py b/tests/test_integration.py
index 60f3183..f8e7900 100644
--- a/tests/test_integration.py
+++ b/tests/test_integration.py
@@ -34,13 +34,13 @@ def rt(user):
 
 class TestingCommand:
   def test_i_can_trigger_a_command(self, user):
-    command = Command('test', 'TestingCommand', new_value, "this is my new value")
+    command = Command('test', 'TestingCommand', None, new_value, "this is my new value")
     testable = TestableElement(user, mk.button('button', command))
     testable.click()
     assert user.get_content() == "this is my new value"
   
   def test_error_is_raised_when_command_is_not_found(self, user):
-    command = Command('test', 'TestingCommand', new_value, "this is my new value")
+    command = Command('test', 'TestingCommand', None, new_value, "this is my new value")
     CommandsManager.reset()
     testable = TestableElement(user, mk.button('button', command))
     
@@ -50,7 +50,7 @@ class TestingCommand:
     assert "not found." in str(exc_info.value)
   
   def test_i_can_play_a_complex_scenario(self, user, rt):
-    command = Command('test', 'TestingCommand', new_value, "this is my new value")
+    command = Command('test', 'TestingCommand', None, new_value, "this is my new value")
     
     @rt('/')
     def get(): return mk.button('button', command)
diff --git a/tests/testclient/test_matches.py b/tests/testclient/test_matches.py
index 6fac11d..8ed7d6c 100644
--- a/tests/testclient/test_matches.py
+++ b/tests/testclient/test_matches.py
@@ -463,7 +463,7 @@ class TestPredicates:
     div = Div(hx_post="/url")
     assert HasHtmx(hx_post="/url").validate(div)
     
-    c = Command("c", "testing has_htmx", None)
+    c = Command("c", "testing has_htmx", None, None)
     c.bind_ft(div)
     assert HasHtmx(command=c).validate(div)