diff --git a/custom_components/xiaomi_miot/core/hass_entity.py b/custom_components/xiaomi_miot/core/hass_entity.py
index dd23c12c1..f7976935f 100644
--- a/custom_components/xiaomi_miot/core/hass_entity.py
+++ b/custom_components/xiaomi_miot/core/hass_entity.py
@@ -75,7 +75,7 @@ def __init__(self, device: 'Device', conv: 'BaseConv'):
             self._attr_translation_key = conv.prop.friendly_name
             self._miot_service = conv.prop.service
             self._miot_property = conv.prop
-            if not conv.prop.readable():
+            if not conv.prop.readable:
                 self._attr_available = True
 
         elif isinstance(conv, MiotActionConv):