diff --git a/classes/cluster/virtual-mcp-pike-dvr/openstack/gateway.yml b/classes/cluster/virtual-mcp-pike-dvr/openstack/gateway.yml
index e55f57b..586579c 100644
--- a/classes/cluster/virtual-mcp-pike-dvr/openstack/gateway.yml
+++ b/classes/cluster/virtual-mcp-pike-dvr/openstack/gateway.yml
@@ -14,3 +14,8 @@
     neutron_gateway_dvr: True
     neutron_gateway_agent_mode: dvr_snat
     linux_system_codename: xenial
+  neutron:
+    gateway:
+      notification:
+        driver: messagingv2
+        topics: "notifications"