diff --git a/custom_components/easy_computer_manager/switch.py b/custom_components/easy_computer_manager/switch.py
index aa8f9fd..4251eb5 100644
--- a/custom_components/easy_computer_manager/switch.py
+++ b/custom_components/easy_computer_manager/switch.py
@@ -284,7 +284,7 @@ class ComputerSwitch(SwitchEntity):
         else:
             raise HomeAssistantError("You must specify an action.")
 
-    def change_audio_config(self, volume: int, mute: bool, input_device: str, output_device: str) -> None:
+    def change_audio_config(self, volume: int = None, mute: bool = None, input_device: str = None, output_device: str = None) -> None:
         """Change the audio configuration using a YAML config file."""
         utils.change_audio_config(self._connection, volume, mute, input_device, output_device)