diff --git a/custom_components/tuya_local/devices/avatto_trv06_radiatorvalve.yaml b/custom_components/tuya_local/devices/avatto_trv06_radiatorvalve.yaml
index ff238823fb..3d8400a4cc 100644
--- a/custom_components/tuya_local/devices/avatto_trv06_radiatorvalve.yaml
+++ b/custom_components/tuya_local/devices/avatto_trv06_radiatorvalve.yaml
@@ -99,7 +99,7 @@ secondary_entities:
         type: integer
         optional: true
         name: value
-        unit: C
+        unit: °
         range:
           min: -9
           max: 9