diff --git a/metadata/service/radosgw/single.yml b/metadata/service/radosgw/single.yml
index 2fffa4c..d4b532e 100644
--- a/metadata/service/radosgw/single.yml
+++ b/metadata/service/radosgw/single.yml
@@ -1,6 +1,7 @@
 applications:
 - ceph
 classes:
+- service.ceph.common.cluster
 - service.ceph.support
 parameters:
   _param:
@@ -10,4 +11,4 @@
       enabled: true
       hostname: ${_param:ceph_radosgw_hostname}
       bind:
-        address: ${_param:single_address}
\ No newline at end of file
+        address: ${_param:single_address}