diff --git a/homeassistant/components/sun/__init__.py b/homeassistant/components/sun/__init__.py
index fd819e5ad33..4789490ef0d 100644
--- a/homeassistant/components/sun/__init__.py
+++ b/homeassistant/components/sun/__init__.py
@@ -101,6 +101,7 @@ class Sun(Entity):
         self.rising = self.phase = None
         self._next_change = None
 
+        @callback
         def update_location(_event):
             location, elevation = get_astral_location(self.hass)
             if location == self.location: