diff --git a/playbooks/groups/os-cluster.yml b/playbooks/groups/os-cluster.yml
index 56c4f1607b..aa1e901fd6 100644
--- a/playbooks/groups/os-cluster.yml
+++ b/playbooks/groups/os-cluster.yml
@@ -101,6 +101,7 @@
         cluster_inventory_filename: "cluster-inventory-stg",
         openshift_release: "v3.9",
         openshift_ansible_path: "/root/openshift-ansible",
+        openshift_ansible_pre_playbook: "playbooks/prerequisites.yml",
         openshift_ansible_playbook: "playbooks/deploy_cluster.yml",
         openshift_ansible_version: "openshift-ansible-3.9.30-1",
         openshift_ansible_ssh_user: root,