diff --git a/metadata/service/common/single.yml b/metadata/service/common/single.yml
index c81947b..d5010f0 100644
--- a/metadata/service/common/single.yml
+++ b/metadata/service/common/single.yml
@@ -3,6 +3,9 @@
 parameters:
   _param:
     ceph_mon_node01_hostname: cmn01
+    ceph_cluster_member01:
+      name: ${_param:ceph_mon_node01_hostname}
+      host: ${_param:ceph_mon_node01_address}
   ceph:
     common:
       config:
@@ -12,5 +15,4 @@
       version: ${_param:ceph_version}
       fsid: ${_param:ceph_cluster_fsid}
       members:
-        - name: ${_param:ceph_mon_node01_hostname}
-          host: ${_param:ceph_mon_node01_address}
+        - ${_param:ceph_cluster_member01}