diff --git a/classes/cluster/virtual-offline-pike-ovs-dpdk/openstack/gateway.yml b/classes/cluster/virtual-offline-pike-ovs-dpdk/openstack/gateway.yml
index 9e0e96a..2dea160 100644
--- a/classes/cluster/virtual-offline-pike-ovs-dpdk/openstack/gateway.yml
+++ b/classes/cluster/virtual-offline-pike-ovs-dpdk/openstack/gateway.yml
@@ -13,6 +13,9 @@
     linux_system_codename: xenial
   neutron:
     gateway:
+      notification:
+        driver: messagingv2
+        topics: "notifications"
       l2gw:
         enabled: false
         ovsdb_hosts: