diff --git a/custom_components/tuya_local/devices/avatto_trv06_radiatorvalve.yaml b/custom_components/tuya_local/devices/avatto_trv06_radiatorvalve.yaml
index 19da6e6156..ff238823fb 100644
--- a/custom_components/tuya_local/devices/avatto_trv06_radiatorvalve.yaml
+++ b/custom_components/tuya_local/devices/avatto_trv06_radiatorvalve.yaml
@@ -23,6 +23,7 @@ primary_entity:
     - id: 3
       type: string
       name: hvac_action
+      optional: true
       mapping:
         - dps_val: opened
           value: heating