diff --git a/custom_components/xiaomi_home/binary_sensor.py b/custom_components/xiaomi_home/binary_sensor.py
index 9ec6e83..fd31dda 100644
--- a/custom_components/xiaomi_home/binary_sensor.py
+++ b/custom_components/xiaomi_home/binary_sensor.py
@@ -88,4 +88,7 @@ class BinarySensor(MIoTPropertyEntity, BinarySensorEntity):
     @property
     def is_on(self) -> bool:
         """On/Off state. True if the binary sensor is on, False otherwise."""
+        """If it is a door and windows sensor, revert the value."""            
+        if self._attr_device_class == 'door':                                   
+            return not (self._value is True) 
         return self._value is True