diff --git a/mod_default_rooms/conf/mod_default_rooms.yml b/mod_default_rooms/conf/mod_default_rooms.yml
index 01fe780..b468a81 100644
--- a/mod_default_rooms/conf/mod_default_rooms.yml
+++ b/mod_default_rooms/conf/mod_default_rooms.yml
@@ -1,2 +1,3 @@
 modules:
-  mod_default_rooms: {}
+  mod_default_rooms:
+    rooms: []