diff --git a/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Build/Attributes.pm b/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Build/Attributes.pm
index d6e808a1a..655a1d5a1 100644
--- a/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Build/Attributes.pm
+++ b/lemonldap-ng-manager/lib/Lemonldap/NG/Manager/Build/Attributes.pm
@@ -418,6 +418,7 @@ sub attributes {
             type          => 'int',
             default       => 15,
             documentation => 'Handler internal cache timeout',
+            flags         => 'hp',
         },
 
         # Loggers (ini only)