diff --git a/homeassistant/helpers/restore_state.py b/homeassistant/helpers/restore_state.py
index d0ef3acd426..2d6ffb9ec49 100644
--- a/homeassistant/helpers/restore_state.py
+++ b/homeassistant/helpers/restore_state.py
@@ -144,7 +144,8 @@ class RestoreStateData:
         """Set up up the instance of this data helper."""
         await self.async_load()
 
-        async def hass_start(hass: HomeAssistant) -> None:
+        @callback
+        def hass_start(hass: HomeAssistant) -> None:
             """Start the restore state task."""
             self.async_setup_dump()