diff --git a/custom_components/circadian_lighting/switch.py b/custom_components/circadian_lighting/switch.py
index 8264fc49..8186d346 100644
--- a/custom_components/circadian_lighting/switch.py
+++ b/custom_components/circadian_lighting/switch.py
@@ -267,7 +267,7 @@ class CircadianSwitch(SwitchDevice, RestoreEntity):
             if transition == None:
                 transition = self._cl.data['transition']
 
-            brightness = int((self._attributes['brightness'] / 100) * 255) if self._attributes['brightness'] is not None else None
+            brightness = int((self._attributes['brightness'] / 100) * 254) if self._attributes['brightness'] is not None else None
             mired = int(self.calc_ct()) if self._lights_ct is not None else None
             rgb = tuple(map(int, self.calc_rgb())) if self._lights_rgb is not None else None
             xy = self.calc_xy() if self._lights_xy is not None else None