diff --git a/homeassistant/helpers/entity.py b/homeassistant/helpers/entity.py
index 4a967e50995d39..78db0890ab1e93 100644
--- a/homeassistant/helpers/entity.py
+++ b/homeassistant/helpers/entity.py
@@ -235,10 +235,10 @@ def async_update_ha_state(self, force_refresh=False):
 
         if not self._slow_reported and end - start > 0.4:
             self._slow_reported = True
-            _LOGGER.warning("Updating state for %s took %.3f seconds. "
+            _LOGGER.warning("Updating state for %s (%s) took %.3f seconds. "
                             "Please report platform to the developers at "
                             "https://goo.gl/Nvioub", self.entity_id,
-                            end - start)
+                            type(self), end - start)
 
         # Overwrite properties that have been set in the config file.
         if DATA_CUSTOMIZE in self.hass.data: