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: