diff --git a/metadata/service/client/cluster.yml b/metadata/service/client/cluster.yml
index 337e9d0..5defad9 100644
--- a/metadata/service/client/cluster.yml
+++ b/metadata/service/client/cluster.yml
@@ -14,6 +14,7 @@
       version: ${_param:opencontrail_version}
       identity:
         engine: keystone
+        protocol: ${_param:opencontrail_identity_protocol}
         host: ${_param:openstack_control_address}
         port: ${_param:opencontrail_identity_port}
         version: ${_param:opencontrail_identity_version}