diff --git a/metadata/service/server/cluster.yml b/metadata/service/server/cluster.yml
index f1e7f03..89eb9e1 100644
--- a/metadata/service/server/cluster.yml
+++ b/metadata/service/server/cluster.yml
@@ -1,5 +1,7 @@
 applications:
 - keystone
+classes:
+- service.keystone.support
 parameters:
   _param:
     mysql_keystone_password: password