diff --git a/keystone/client/service/heat-cfn.yml b/keystone/client/service/heat-cfn.yml
index 3bb5449..d692da8 100644
--- a/keystone/client/service/heat-cfn.yml
+++ b/keystone/client/service/heat-cfn.yml
@@ -9,7 +9,8 @@
               description: OpenStack CloudFormation Service
               endpoints:
               - region: ${_param:openstack_region}
-                public_address: ${_param:heat_service_host}
+                public_address: ${_param:cluster_public_host}
+                public_protocol: https
                 public_port: 8000
                 public_path: '/v1'
                 internal_address: ${_param:heat_service_host}