diff --git a/custom_components/checkwatt/event.py b/custom_components/checkwatt/event.py
index 2654d05..c19a364 100644
--- a/custom_components/checkwatt/event.py
+++ b/custom_components/checkwatt/event.py
@@ -102,7 +102,7 @@ def __init__(
 
     async def async_added_to_hass(self) -> None:
         """Register callbacks."""
-        super().async_added_to_hass()
+        await super().async_added_to_hass()
         self.async_on_remove(
             async_dispatcher_connect(
                 self.hass,