diff --git a/puppet/services/tacker.yaml b/puppet/services/tacker.yaml
index d6c0ef9afd..c14e061ba9 100644
--- a/puppet/services/tacker.yaml
+++ b/puppet/services/tacker.yaml
@@ -98,6 +98,7 @@ outputs:
       service_config_settings:
         keystone:
           tacker::keystone::auth::tenant: 'service'
+          tacker::keystone::auth::region: {get_param: KeystoneRegion}
           tacker::keystone::auth::password: {get_param: TackerPassword}
           tacker::keystone::auth::public_url: {get_param: [EndpointMap, TackerPublic, uri]}
           tacker::keystone::auth::internal_url: {get_param: [EndpointMap, TackerInternal, uri]}