diff --git a/aodh/server/cluster.yml b/aodh/server/cluster.yml
index b3fb4fb..4743111 100644
--- a/aodh/server/cluster.yml
+++ b/aodh/server/cluster.yml
@@ -10,6 +10,7 @@
       ttl: 86400
       debug: false
       verbose: true
+      region: ${_param:openstack_region}
       database:
         engine: "mysql+pymysql"
         host: ${_param:openstack_database_address}
@@ -36,4 +37,4 @@
         members:
           - host: ${_param:openstack_message_queue_node01_address}
           - host: ${_param:openstack_message_queue_node02_address}
-          - host: ${_param:openstack_message_queue_node03_address}
\ No newline at end of file
+          - host: ${_param:openstack_message_queue_node03_address}