diff --git a/ansible/roles/senlin/templates/senlin.conf.j2 b/ansible/roles/senlin/templates/senlin.conf.j2
index 6018444d26..215c4b25ac 100644
--- a/ansible/roles/senlin/templates/senlin.conf.j2
+++ b/ansible/roles/senlin/templates/senlin.conf.j2
@@ -9,6 +9,7 @@ transport_url = rabbit://{% for host in groups['rabbitmq'] %}{{ rabbitmq_user }}
 [senlin_api]
 bind_host = {{ api_interface_address }}
 bind_port = {{ senlin_api_port }}
+workers = {{ openstack_service_workers }}
 {% endif %}
 
 [authentication]