diff --git a/custom_components/somneo/switch.py b/custom_components/somneo/switch.py
index c94bca9..5c0676d 100644
--- a/custom_components/somneo/switch.py
+++ b/custom_components/somneo/switch.py
@@ -154,7 +154,7 @@ def __init__(self, coordinator, unique_id, name, device_info, alarm):
 
     @callback
     def _handle_coordinator_update(self) -> None:
-        self._attr_is_on = self.coordinator.data["alarms"][self._alarm]
+        self._attr_is_on = self.coordinator.data["powerwake"][self._alarm]
         self._attr_extra_state_attributes = {
             "powerwake_delta": self.coordinator.data["powerwake_delta"][self._alarm]
         }