diff --git a/Entity/Repository/JobRepository.php b/Entity/Repository/JobRepository.php
index f9edc9ec..52234980 100644
--- a/Entity/Repository/JobRepository.php
+++ b/Entity/Repository/JobRepository.php
@@ -100,7 +100,7 @@ public function getOrCreateIfNotExists($command, array $args = array())
 
         $firstJob = $this->_em->createQuery("SELECT j FROM JMSJobQueueBundle:Job j WHERE j.command = :command AND j.args = :args ORDER BY j.id ASC")
              ->setParameter('command', $command)
-             ->setParameter('args', $args, 'json_array')
+             ->setParameter('args', $args, Type::JSON_ARRAY)
              ->setMaxResults(1)
              ->getSingleResult();