diff --git a/metadata/service/server/single.yml b/metadata/service/server/single.yml
index 79be27a..732a975 100644
--- a/metadata/service/server/single.yml
+++ b/metadata/service/server/single.yml
@@ -8,6 +8,7 @@
     heat_client_heat_endpoint_type: publicURL
     openstack_log_appender: false
     openstack_fluentd_handler_enabled: false
+    openstack_ossyslog_handler_enabled: false
   heat:
     server:
       stack_domain_admin:
@@ -59,6 +60,8 @@
             enabled: true
           fluentd:
             enabled: ${_param:openstack_fluentd_handler_enabled}
+          ossyslog:
+            enabled: ${_param:openstack_ossyslog_handler_enabled}
       message_queue:
         engine: rabbitmq
         host: ${_param:single_address}