diff --git a/metadata/service/control/single.yml b/metadata/service/control/single.yml
index f2ec608..a153e31 100644
--- a/metadata/service/control/single.yml
+++ b/metadata/service/control/single.yml
@@ -36,6 +36,7 @@
         password: ${_param:mysql_nova_password}
       identity:
         engine: keystone
+        region: RegionOne
         host: ${_param:single_address}
         port: 35357
         user: nova
@@ -53,6 +54,7 @@
         port: 9292
       network:
         engine: neutron
+        region: RegionOne
         host: ${_param:single_address}
         port: 9696
         mtu: 1500