diff --git a/ansible/roles/tacker/templates/tacker.conf.j2 b/ansible/roles/tacker/templates/tacker.conf.j2
index ebdc278c42..ca962d850d 100644
--- a/ansible/roles/tacker/templates/tacker.conf.j2
+++ b/ansible/roles/tacker/templates/tacker.conf.j2
@@ -7,6 +7,7 @@ transport_url = rabbit://{% for host in groups['rabbitmq'] %}{{ rabbitmq_user }}
 
 bind_host = {{ api_interface_address }}
 bind_port = {{ tacker_server_port }}
+api_workers = {{ openstack_service_workers }}
 
 {% if enable_nova | bool %}
 nova_url = {{ internal_protocol }}://{{ kolla_internal_fqdn }}:{{ nova_api_port }}