diff --git a/classes/cluster/os-ha-contrail-40/openstack/control.yml b/classes/cluster/os-ha-contrail-40/openstack/control.yml
index 732a6a1..e3c086f 100644
--- a/classes/cluster/os-ha-contrail-40/openstack/control.yml
+++ b/classes/cluster/os-ha-contrail-40/openstack/control.yml
@@ -110,6 +110,8 @@
                 rndc_host: ${_param:openstack_control_node03_address}
                 rndc_port: 953
                 rndc_key_file: /etc/designate/rndc.key
+    worker:
+      enabled: ${_param:designate_worker_enabled}
   glance:
     server:
       storage: