diff --git a/classes/cluster/virtual-offline-ssl/openstack/proxy.yml b/classes/cluster/virtual-offline-ssl/openstack/proxy.yml
index b1c9686..bea4384 100644
--- a/classes/cluster/virtual-offline-ssl/openstack/proxy.yml
+++ b/classes/cluster/virtual-offline-ssl/openstack/proxy.yml
@@ -7,6 +7,7 @@
 - cluster.virtual-offline-ssl
 parameters:
   _param:
+    cluster_public_host:  ${_param:openstack_proxy_address}
     nginx_proxy_ssl:
       enabled: true
       authority: ${_param:salt_minion_ca_authority}