diff --git a/metadata/service/cluster/single.yml b/metadata/service/cluster/single.yml
index 16a02e5..aa5098b 100644
--- a/metadata/service/cluster/single.yml
+++ b/metadata/service/cluster/single.yml
@@ -1,5 +1,7 @@
 applications:
 - keepalived
+classes:
+- service.keepalived.support
 parameters:
   _param:
     keepalived_vip_priority: 100