diff --git a/apps/controller.py b/apps/controller.py
index f4a3708..c68d0ca 100644
--- a/apps/controller.py
+++ b/apps/controller.py
@@ -182,9 +182,13 @@ class ControllerDaylight(ControllerEntities):
     def matching_state(self, entity_id: str):
         state = self.get_state(entity_id=entity_id, attribute='all')['attributes']
         settings = self.adjuster.current_settings
-        state = {s: state[s] for s in settings.keys()}
-        valid = all((state[s] == val) for s, val in settings.items())
-        return valid
+        try:
+            state = {s: state[s] for s in settings.keys()}
+        except KeyError:
+            return False
+        else:
+            valid = all((state[s] == val) for s, val in settings.items())
+            return valid
 
     def ongoing_adjustment(self, kwargs):
         settings = self.adjuster.current_settings