diff --git a/opencontrail/control/control4_0.yml b/opencontrail/control/control4_0.yml
index ba47959..fb751ca 100644
--- a/opencontrail/control/control4_0.yml
+++ b/opencontrail/control/control4_0.yml
@@ -17,7 +17,7 @@
     opencontrail_message_queue_password: guest
     opencontrail_controller_image: ${_param:mcp_docker_registry}/opencontrail-${_param:linux_repo_contrail_component}/opencontrail-controller:${_param:opencontrail_image_tag}
     opencontrail_controller_container_name: opencontrail_controller_1
-    opencontrail_api_workers_count: 6
+    opencontrail_api_workers_count: 1
     analytics_vip_address: ${_param:opencontrail_analytics_address}
   opencontrail:
     common: