diff --git a/src/Symfony/Component/HttpKernel/EventListener/AddRequestFormatsListener.php b/src/Symfony/Component/HttpKernel/EventListener/AddRequestFormatsListener.php
index 14a5d435115d7..280844c18313e 100644
--- a/src/Symfony/Component/HttpKernel/EventListener/AddRequestFormatsListener.php
+++ b/src/Symfony/Component/HttpKernel/EventListener/AddRequestFormatsListener.php
@@ -52,6 +52,6 @@ public function onKernelRequest(GetResponseEvent $event)
      */
     public static function getSubscribedEvents()
     {
-        return array(KernelEvents::REQUEST => 'onKernelRequest');
+        return array(KernelEvents::REQUEST => array('onKernelRequest', 1));
     }
 }
diff --git a/src/Symfony/Component/HttpKernel/Tests/EventListener/AddRequestFormatsListenerTest.php b/src/Symfony/Component/HttpKernel/Tests/EventListener/AddRequestFormatsListenerTest.php
index 3a82ce0fb6ac7..0859fe24f072b 100644
--- a/src/Symfony/Component/HttpKernel/Tests/EventListener/AddRequestFormatsListenerTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/EventListener/AddRequestFormatsListenerTest.php
@@ -45,7 +45,7 @@ public function testIsAnEventSubscriber()
     public function testRegisteredEvent()
     {
         $this->assertEquals(
-            array(KernelEvents::REQUEST => 'onKernelRequest'),
+            array(KernelEvents::REQUEST => array('onKernelRequest', 1)),
             AddRequestFormatsListener::getSubscribedEvents()
         );
     }