diff --git a/apps/rooms/basic_motion.py b/apps/rooms/basic_motion.py
index 4fed4be..bfefe04 100755
--- a/apps/rooms/basic_motion.py
+++ b/apps/rooms/basic_motion.py
@@ -73,7 +73,7 @@ class MotionLight(Hass):
             return timedelta()
 
     @property
-    def entity_state(self):
+    def entity_state(self) -> bool:
         return self.get_state(self.entity) == 'on'
 
     @entity_state.setter