diff --git a/classes/Rest/Controllers/WarehouseControllerProvider.php b/classes/Rest/Controllers/WarehouseControllerProvider.php
index d1f5a13e69..2a85882fcd 100644
--- a/classes/Rest/Controllers/WarehouseControllerProvider.php
+++ b/classes/Rest/Controllers/WarehouseControllerProvider.php
@@ -2082,7 +2082,7 @@ private function getJobByPrimaryKey(Application $app, \XDUser $user, $realm, $se
             throw new \DataWarehouse\Query\Exceptions\AccessDeniedException;
         }
 
-        if (isset($searchparams['jobref']) && is_int($searchparams['jobref'])) {
+        if (isset($searchparams['jobref']) && is_numeric($searchparams['jobref'])) {
             $params = array(
                 'primary_key' => $searchparams['jobref']
             );