diff --git a/Controller/PackingMinifyController.php b/Controller/PackingMinifyController.php
index dc7e392..2903e18 100644
--- a/Controller/PackingMinifyController.php
+++ b/Controller/PackingMinifyController.php
@@ -4,6 +4,7 @@
 
 use Symfony\Bundle\FrameworkBundle\Controller\Controller;
 use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 
 class PackingMinifyController extends Controller
 {
@@ -19,6 +20,6 @@ public function getAction($file)
             }
         }
 
-        return new Response('', 404);
+        throw new NotFoundHttpException('Is not a XML Http Request');
     }
 }
\ No newline at end of file
diff --git a/Resources/config/routing/packing_minify.xml b/Resources/config/routing/packing_minify.xml
index 4e577d5..14f9fef 100644
--- a/Resources/config/routing/packing_minify.xml
+++ b/Resources/config/routing/packing_minify.xml
@@ -5,7 +5,7 @@
     xsi:schemaLocation="http://symfony.com/schema/routing http://symfony.com/schema/routing/routing-1.0.xsd">
 
     <route id="_pm_get" pattern="/{file}.{_format}">
-        <default key="_controller">BeSimplePackingMinifyBundle:PackingMinify:get</default>
-        <requirement key="_format">(css|js)</requirement>
+        <default key="_controller">BeSimplePackingMinify:PackingMinify:get</default>
+        <requirement key="_format">css|js</requirement>
     </route>
 </routes>
\ No newline at end of file