diff --git a/playbooks/inventory/group_vars/hosts.yml b/playbooks/inventory/group_vars/hosts.yml
index b0e8b30a0f..1191c1d140 100644
--- a/playbooks/inventory/group_vars/hosts.yml
+++ b/playbooks/inventory/group_vars/hosts.yml
@@ -199,6 +199,7 @@ cinder_backends_rbd_inuse: >
 cinder_ceph_client: cinder
 # cinder_backend_lvm_inuse: True if current host has an lvm backend
 cinder_backend_lvm_inuse: '{{ (cinder_backends|default("")|to_json).find("cinder.volume.drivers.lvm.LVMVolumeDriver") != -1 }}'
+cinder_service_region: "{{ service_region }}"
 
 
 ## OpenStack Openrc