diff --git a/cinder/control/single.yml b/cinder/control/single.yml
index 66aea6d..d442693 100644
--- a/cinder/control/single.yml
+++ b/cinder/control/single.yml
@@ -19,4 +19,5 @@
         host: ${_param:single_address}
       identity:
         protocol: ${_param:internal_protocol}
+        region: ${_param:openstack_region}