diff --git a/custom_components/ge_home/update_coordinator.py b/custom_components/ge_home/update_coordinator.py
index 6ad3d40..5292b11 100644
--- a/custom_components/ge_home/update_coordinator.py
+++ b/custom_components/ge_home/update_coordinator.py
@@ -293,7 +293,7 @@ class GeHomeUpdateCoordinator(DataUpdateCoordinator):
 
         self._update_entity_state(entities)
 
-    def _update_entity_state(entities: List[Entity]):
+    def _update_entity_state(self, entities: List[Entity]):
         from .entities import GeEntity
         for entity in entities:
             # if this is a GeEntity, check if it's been added