diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index 8312696..aa664fb 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -2,6 +2,7 @@
 - rabbitmq
 classes:
 - service.rabbitmq.support
+
 parameters:
   _param:
     rabbitmq_admin_user: admin