diff --git a/salt/minion/cert/vnc/novncproxy_server.yml b/salt/minion/cert/vnc/novncproxy_server.yml
index a9f0062..68152d4 100644
--- a/salt/minion/cert/vnc/novncproxy_server.yml
+++ b/salt/minion/cert/vnc/novncproxy_server.yml
@@ -19,7 +19,7 @@
             DNS:${_param:cluster_local_address},
             DNS:${linux:system:name},
             DNS:${_param:cluster_vip_address},
-            DNS:${linux:network:fqdn}
+            DNS:${linux:network:fqdn},
             DNS:${_param:openstack_service_host}
           key_usage: "digitalSignature,nonRepudiation,keyEncipherment"
           key_file: ${_param:novncproxy_server_ssl_key_file}