diff --git a/puppet/services/cinder-base.yaml b/puppet/services/cinder-base.yaml
index 4d91b836c2..0584f39051 100644
--- a/puppet/services/cinder-base.yaml
+++ b/puppet/services/cinder-base.yaml
@@ -152,7 +152,7 @@ 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::nova::interface: admin
         cinder::nova::auth_type: password