diff --git a/ansible/roles/zun/templates/zun.conf.j2 b/ansible/roles/zun/templates/zun.conf.j2
index 5c14c9dbc3..c16fb5dc58 100644
--- a/ansible/roles/zun/templates/zun.conf.j2
+++ b/ansible/roles/zun/templates/zun.conf.j2
@@ -18,6 +18,7 @@ driver = kuryr
 
 [oslo_messaging_notifications]
 transport_url = {{ notify_transport_url }}
+driver = messaging
 
 [api]
 host_ip = {{ api_interface_address }}