diff --git a/neutron/files/pike/neutron-server.conf b/neutron/files/pike/neutron-server.conf
index b1a4628..1ba08d1 100644
--- a/neutron/files/pike/neutron-server.conf
+++ b/neutron/files/pike/neutron-server.conf
@@ -1009,7 +1009,7 @@
 admin_tenant_name={{ server.backend.tenant }}
 {%- endif %}
 auth_region={{ server.identity.region }}
-auth_protocol=http
+auth_protocol={{ server.identity.get('protocol', 'http') }}
 revocation_cache_time = 10
 auth_type = password
 auth_host = {{ server.identity.host }}