diff --git a/ceilometer/agent/cluster.yml b/ceilometer/agent/cluster.yml
index 135dbe8..820249b 100644
--- a/ceilometer/agent/cluster.yml
+++ b/ceilometer/agent/cluster.yml
@@ -14,6 +14,7 @@
         tenant: service
         user: ceilometer
         password: ${_param:keystone_ceilometer_password}
+        region: ${_param:openstack_region}
       message_queue:
         engine: rabbitmq
         members:
diff --git a/ceilometer/server/cluster.yml b/ceilometer/server/cluster.yml
index 6f8d3f8..d9d78e6 100644
--- a/ceilometer/server/cluster.yml
+++ b/ceilometer/server/cluster.yml
@@ -24,6 +24,7 @@
         tenant: service
         user: ceilometer
         password: ${_param:keystone_ceilometer_password}
+        region: ${_param:openstack_region}
       message_queue:
         engine: rabbitmq
         members:
diff --git a/nova/compute/single.yml b/nova/compute/single.yml
index 786e792..67c329d 100644
--- a/nova/compute/single.yml
+++ b/nova/compute/single.yml
@@ -68,6 +68,7 @@
         password: ${_param:keystone_nova_password}
         tenant: service
         protocol: ${_param:cluster_internal_protocol}
+        region: ${_param:openstack_region}
       message_queue:
         engine: rabbitmq
         host: ${_param:control_address}
@@ -85,6 +86,7 @@
         host: ${_param:control_address}
         port: 9696
         protocol: ${_param:cluster_internal_protocol}
+        region: ${_param:openstack_region}
       cache:
         engine: memcached
         members:
diff --git a/nova/control/single.yml b/nova/control/single.yml
index ca21d05..07a3b01 100644
--- a/nova/control/single.yml
+++ b/nova/control/single.yml
@@ -15,7 +15,9 @@
         host: ${_param:single_address}
       identity:
         protocol: ${_param:cluster_internal_protocol}
+        region: ${_param:openstack_region}
       network:
         protocol: ${_param:cluster_internal_protocol}
+        region: ${_param:openstack_region}
       glance:
         protocol: ${_param:cluster_internal_protocol}