diff --git a/keystone/client/service/aodh.yml b/keystone/client/service/aodh.yml
index c4d49b8..e7b0dbb 100644
--- a/keystone/client/service/aodh.yml
+++ b/keystone/client/service/aodh.yml
@@ -2,6 +2,7 @@
   _param:
     cluster_public_protocol: https
     aodh_service_protocol: http
+    aodh_public_host: ${_param:cluster_public_host}
   keystone:
     client:
       server:
@@ -19,7 +20,7 @@
               description: OpenStack Alarming Service
               endpoints:
               - region: ${_param:openstack_region}
-                public_address: ${_param:cluster_public_host}
+                public_address: ${_param:aodh_public_host}
                 public_protocol: ${_param:cluster_public_protocol}
                 public_port: 8042
                 public_path: '/'