diff --git a/homeassistant/components/zha/entity.py b/homeassistant/components/zha/entity.py
index d0848222549340..1e98118e09f87c 100644
--- a/homeassistant/components/zha/entity.py
+++ b/homeassistant/components/zha/entity.py
@@ -179,7 +179,7 @@ def async_restore_last_state(self, last_state):
 
     async def async_update(self):
         """Retrieve latest state."""
-        for channel in self.cluster_channels:
+        for channel in self.cluster_channels.values():
             if hasattr(channel, 'async_update'):
                 await channel.async_update()