diff --git a/miio/chuangmi_plug.py b/miio/chuangmi_plug.py
index 008e80ba1..ddb0ae717 100644
--- a/miio/chuangmi_plug.py
+++ b/miio/chuangmi_plug.py
@@ -46,7 +46,7 @@ def __init__(self, data: Dict[str, Any]) -> None:
     def power(self) -> bool:
         """Current power state."""
         if "on" in self.data:
-            return self.data["on"]
+            return self.data["on"] is True or self.data["on"] == "on"
         if "power" in self.data:
             return self.data["power"] == "on"