diff --git a/classes/cluster/virtual-mcp11-ovs-ironic/infra/config.yml b/classes/cluster/virtual-mcp11-ovs-ironic/infra/config.yml
index 66ff1f0..f62dd25 100644
--- a/classes/cluster/virtual-mcp11-ovs-ironic/infra/config.yml
+++ b/classes/cluster/virtual-mcp11-ovs-ironic/infra/config.yml
@@ -52,7 +52,7 @@
       site:
         nginx_proxy_openstack_web:
           proxy:
-            host: prx
+            host: ${_param:openstack_control_address}
         nginx_proxy_openstack_api_heat_cfn:
           enabled: false
   salt: