diff --git a/homeassistant/components/wink/__init__.py b/homeassistant/components/wink/__init__.py
index a94f8c3bdf2..c4cefa2c2d1 100644
--- a/homeassistant/components/wink/__init__.py
+++ b/homeassistant/components/wink/__init__.py
@@ -690,6 +690,10 @@ class WinkDevice(Entity):
     @property
     def unique_id(self):
         """Return the unique id of the Wink device."""
+        if hasattr(self.wink, 'capability') and \
+                self.wink.capability() is not None:
+            return "{}_{}".format(self.wink.object_id(),
+                                  self.wink.capability())
         return self.wink.object_id()
 
     @property