diff --git a/homeassistant/components/yolink/light.py b/homeassistant/components/yolink/light.py
index 7c11b54efa5..a7f52e801b2 100644
--- a/homeassistant/components/yolink/light.py
+++ b/homeassistant/components/yolink/light.py
@@ -51,9 +51,9 @@ class YoLinkDimmerEntity(YoLinkEntity, LightEntity):
     @callback
     def update_entity_state(self, state: dict[str, Any]) -> None:
         """Update HA Entity State."""
-        if (dimmer_is_on := state.get("state")) is not None:
+        if (dimmer_state := state.get("state")) is not None:
             # update _attr_is_on when device report it's state
-            self._attr_is_on = dimmer_is_on
+            self._attr_is_on = dimmer_state == "open"
         if (brightness := state.get("brightness")) is not None:
             self._attr_brightness = round(255 * brightness / 100)
         self.async_write_ha_state()