diff --git a/tools/sandbox/cli-config.php b/tools/sandbox/cli-config.php
index c949668e0..2a34fd89b 100644
--- a/tools/sandbox/cli-config.php
+++ b/tools/sandbox/cli-config.php
@@ -30,7 +30,7 @@ $connectionOptions = array(
 
 $em = \Doctrine\ORM\EntityManager::create($connectionOptions, $config);
 
-$helpers = array(
+$helpers = new Symfony\Component\Console\Helper\HelperSet(array(
     'db' => new \Doctrine\DBAL\Tools\Console\Helper\ConnectionHelper($em->getConnection()),
     'em' => new \Doctrine\ORM\Tools\Console\Helper\EntityManagerHelper($em)
-);
\ No newline at end of file
+));
\ No newline at end of file