diff --git a/custom_components/tuya_local/devices/windcalm_fan_with_light.yaml b/custom_components/tuya_local/devices/windcalm_fan_with_light.yaml
index c4e1d22219..0739364b6e 100644
--- a/custom_components/tuya_local/devices/windcalm_fan_with_light.yaml
+++ b/custom_components/tuya_local/devices/windcalm_fan_with_light.yaml
@@ -23,6 +23,7 @@ secondary_entities:
       - id: 22
         name: brightness
         type: integer
+        optional: true
         range:
           min: 10
           max: 1000