diff --git a/metadata/service/gateway/single.yml b/metadata/service/gateway/single.yml
index 2649449..631e749 100644
--- a/metadata/service/gateway/single.yml
+++ b/metadata/service/gateway/single.yml
@@ -42,3 +42,5 @@
             enabled: ${_param:openstack_fluentd_handler_enabled}
           ossyslog:
             enabled: ${_param:openstack_ossyslog_handler_enabled}
+      concurrency:
+        lock_path: /var/lock/neutron