diff --git a/playbooks/roles/ceph/tasks/main.yaml b/playbooks/roles/ceph/tasks/main.yaml
index 5cf1dac..786810f 100644
--- a/playbooks/roles/ceph/tasks/main.yaml
+++ b/playbooks/roles/ceph/tasks/main.yaml
@@ -122,6 +122,7 @@
         tripleo_ceph_deploy_cluster_network_name: storage
         tripleo_ceph_deploy_with_ntp: "{{ ntp_server is defined | ternary(true, false) }}"
         tripleo_ceph_deploy_ntp_server: "{{ ntp_server | default(omit) }}"
+        tripleo_ceph_deploy_cluster: "{{ (dcn_az is not defined or (dcn_az is defined and dcn_az == 'central')) | ternary(omit, dcn_az) }}"
 
 - name: Add ceph to enabled services
   ansible.builtin.set_fact: