diff --git a/puppet/services/keystone.yaml b/puppet/services/keystone.yaml
index d5dfb64f0c..3534c5db06 100644
--- a/puppet/services/keystone.yaml
+++ b/puppet/services/keystone.yaml
@@ -144,10 +144,10 @@ parameters:
         Cron to purge expired tokens - Week Day
     default: '*'
   KeystoneCronTokenFlushMaxDelay:
-    type: string
+    type: number
     description: >
         Cron to purge expired tokens - Max Delay
-    default: '0'
+    default: 0
   KeystoneCronTokenFlushDestination:
     type: string
     description: >