diff --git a/ansible/roles/aodh/templates/aodh.conf.j2 b/ansible/roles/aodh/templates/aodh.conf.j2
index dce3afbfa8..4fb1b19716 100644
--- a/ansible/roles/aodh/templates/aodh.conf.j2
+++ b/ansible/roles/aodh/templates/aodh.conf.j2
@@ -44,6 +44,7 @@ project_name = service
 project_domain_id = {{ default_project_domain_id }}
 user_domain_id = {{ default_user_domain_id }}
 auth_type = password
+interface = internal
 
 [oslo_messaging_notifications]
 transport_url = {{ notify_transport_url }}