diff --git a/src/Symfony/Bundle/TwigBundle/Controller/PreviewErrorController.php b/src/Symfony/Bundle/TwigBundle/Controller/PreviewErrorController.php
index b4eb932e581bb..d7a675dc4de27 100644
--- a/src/Symfony/Bundle/TwigBundle/Controller/PreviewErrorController.php
+++ b/src/Symfony/Bundle/TwigBundle/Controller/PreviewErrorController.php
@@ -11,7 +11,7 @@
 
 namespace Symfony\Bundle\TwigBundle\Controller;
 
-use Symfony\Component\HttpKernel\Exception\FlattenException;
+use Symfony\Component\Debug\Exception\FlattenException;
 use Symfony\Component\HttpKernel\HttpKernelInterface;
 use Symfony\Component\HttpFoundation\Request;