diff --git a/shelly/integrationpluginshelly.json b/shelly/integrationpluginshelly.json
index d3fe79f2..f1914b1a 100644
--- a/shelly/integrationpluginshelly.json
+++ b/shelly/integrationpluginshelly.json
@@ -3446,6 +3446,7 @@
                             "displayNameEvent": "Position changed",
                             "displayNameAction": "Set position",
                             "type": "int",
+                            "unit": "Percentage",
                             "defaultValue": 0,
                             "minValue": 0,
                             "maxValue": 100,