diff --git a/source/_cookbook/automation_sun.markdown b/source/_cookbook/automation_sun.markdown
index e83bec979e7..8add13a3c5d 100644
--- a/source/_cookbook/automation_sun.markdown
+++ b/source/_cookbook/automation_sun.markdown
@@ -17,7 +17,7 @@ automation:
     entity_id: group.all_devices
     state: home
   action:
-    service: homeassistant.turn_on
+    service: light.turn_on
     entity_id: group.living_room_lights
 ```