diff --git a/lxc1/p0-infrastructure/mgdb.yml b/lxc1/p0-infrastructure/mgdb.yml
index 82db4d7..23b0218 100644
--- a/lxc1/p0-infrastructure/mgdb.yml
+++ b/lxc1/p0-infrastructure/mgdb.yml
@@ -19,7 +19,7 @@ services:
       - --wsrep-provider=/usr/lib/galera/libgalera_smm.so
       - --wsrep-cluster-name=mgdev1
       - --bind-address=0.0.0.0
-      - --wsrep-cluster-address=gcomm://172.16.201.206,172.16.201.106,172.16.201.250
+      - --wsrep-cluster-address=gcomm://${CLUSTER_PRI_IP},${CLUSTER_SEC_IP},${CLUSTER_ARB_IP}${MGDB_NOTE_PRI}
       - --wsrep-node-address=${CLUSTER_KEEPALIVED_IP}
       - --wsrep-node-name=node${MGDB_NODE_NUMBER}
       - --binlog-format=row