diff --git a/opencontrail/control/cluster4_0.yml b/opencontrail/control/cluster4_0.yml
index 129639c..6859b9c 100644
--- a/opencontrail/control/cluster4_0.yml
+++ b/opencontrail/control/cluster4_0.yml
@@ -15,14 +15,13 @@
     opencontrail_zookeeper_log_dir: '/var/log/zookeeper'
     opencontrail_version: 4.0
     linux_repo_contrail_component: oc40
-    opencontrail_image_tag: latest
     opencontrail_message_queue_node01_address: ${_param:openstack_control_node01_address}
     opencontrail_message_queue_node02_address: ${_param:openstack_control_node02_address}
     opencontrail_message_queue_node03_address: ${_param:openstack_control_node03_address}
     opencontrail_message_queue_address: ${_param:openstack_control_address}
-    opencontrail_analytics_image: ${_param:mcp_docker_registry}/opencontrail-${_param:linux_repo_contrail_component}/opencontrail-analytics:${_param:opencontrail_image_tag}
-    opencontrail_analyticsdb_image: ${_param:mcp_docker_registry}/opencontrail-${_param:linux_repo_contrail_component}/opencontrail-analyticsdb:${_param:opencontrail_image_tag}
-    opencontrail_controller_image: ${_param:mcp_docker_registry}/opencontrail-${_param:linux_repo_contrail_component}/opencontrail-controller:${_param:opencontrail_image_tag}
+    opencontrail_analytics_image: ${_param:mcp_docker_registry}/opencontrail-${_param:linux_repo_contrail_component}/opencontrail-analytics:${_param:opencontrail_docker_image_tag}
+    opencontrail_analyticsdb_image: ${_param:mcp_docker_registry}/opencontrail-${_param:linux_repo_contrail_component}/opencontrail-analyticsdb:${_param:opencontrail_docker_image_tag}
+    opencontrail_controller_image: ${_param:mcp_docker_registry}/opencontrail-${_param:linux_repo_contrail_component}/opencontrail-controller:${_param:opencontrail_docker_image_tag}
     opencontrail_controller_container_name: opencontrail_controller_1
     opencontrail_analytics_container_name: opencontrail_analytics_1
     opencontrail_analyticsdb_container_name: opencontrail_analyticsdb_1