diff --git a/service/files/keystone.conf.j2 b/service/files/keystone.conf.j2
index 4f76820..afed78b 100644
--- a/service/files/keystone.conf.j2
+++ b/service/files/keystone.conf.j2
@@ -31,4 +31,6 @@ driver = sql
 driver = messagingv2
 {% endif %}
 
+{# rpc config required for notifications in stable/mitaka #}
+{{ oslo_messaging[messaging.backend.rpc]('rpc_config') }}
 {{ oslo_messaging[messaging.backend.notifications]('notifications_config') }}