diff --git a/tests/components/esphome/test_manager.py b/tests/components/esphome/test_manager.py
index d937b63b1db..92c21842e78 100644
--- a/tests/components/esphome/test_manager.py
+++ b/tests/components/esphome/test_manager.py
@@ -575,7 +575,7 @@ async def test_connection_aborted_wrong_device(
     entry.add_to_hass(hass)
     disconnect_done = hass.loop.create_future()
 
-    def async_disconnect(*args, **kwargs) -> None:
+    async def async_disconnect(*args, **kwargs) -> None:
         disconnect_done.set_result(None)
 
     mock_client.disconnect = async_disconnect