diff --git a/apps/rooms/living_room.yaml b/apps/rooms/living_room.yaml
index 1b16679..baff10a 100644
--- a/apps/rooms/living_room.yaml
+++ b/apps/rooms/living_room.yaml
@@ -49,6 +49,7 @@ light_bookshelves:
     25: sensor.living_room_ambiance_light == 1
     100: True
 
+  module: smartswitch
 light_tree:
   module: smartlight
   class: SmartLight