diff --git a/keystone/client/service/nova-ec2.yml b/keystone/client/service/nova-ec2.yml
index b729061..144f0b7 100644
--- a/keystone/client/service/nova-ec2.yml
+++ b/keystone/client/service/nova-ec2.yml
@@ -9,7 +9,8 @@
               description: OpenStack EC2 Service
               endpoints:
               - region: ${_param:openstack_region}
-                public_address: ${_param:nova_service_host}
+                public_address: ${_param:cluster_public_host}
+                public_protocol: https
                 public_port: 8773
                 public_path: '/services/Cloud'
                 internal_address: ${_param:nova_service_host}