diff --git a/deployment/cinder/cinder-base.yaml b/deployment/cinder/cinder-base.yaml
index 57c4f953a6..d561f5cf80 100644
--- a/deployment/cinder/cinder-base.yaml
+++ b/deployment/cinder/cinder-base.yaml
@@ -134,7 +134,7 @@ outputs:
         cinder::cron::db_purge::user: {get_param: CinderCronDbPurgeUser}
         cinder::cron::db_purge::age: {get_param: CinderCronDbPurgeAge}
         cinder::cron::db_purge::destination: {get_param: CinderCronDbPurgeDestination}
-        cinder::cron::db_purge::max_delay: {get_param: CinderCronDbPurgeMaxDelay}
+        cinder::cron::db_purge::maxdelay: {get_param: CinderCronDbPurgeMaxDelay}
         cinder::glance::glance_api_servers: {get_param: [EndpointMap, GlanceInternal, uri]}
         cinder::keystone::service_user::send_service_user_token: true
         cinder::keystone::service_user::project_name: service