diff --git a/custom_components/adaptive_lighting/switch.py b/custom_components/adaptive_lighting/switch.py
index 4b9e1856..031396fe 100644
--- a/custom_components/adaptive_lighting/switch.py
+++ b/custom_components/adaptive_lighting/switch.py
@@ -1067,7 +1067,7 @@ class AdaptiveSwitch(SwitchEntity, RestoreEntity):
             return
         # See #80. Doesn't check if transitions differ but it does the job.
         last_service_data = self.turn_on_off_listener.last_service_data
-        if light in last_service_data and last_service_data[light] == service_data:
+        if last_service_data.get(light) == service_data:
             _LOGGER.debug(
                 "%s: Cancelling adapt to light %s, there's no new values to set (context.id='%s')",
                 self._name,