diff --git a/aodh/server/cluster.yml b/aodh/server/cluster.yml
index 2098ec1..6d756d1 100644
--- a/aodh/server/cluster.yml
+++ b/aodh/server/cluster.yml
@@ -56,6 +56,7 @@
         user: aodh
         password: ${_param:keystone_aodh_password}
         region: ${_param:openstack_region}
+        protocol: ${_param:cluster_internal_protocol}
       message_queue:
         engine: rabbitmq
         port: 5672