diff --git a/src/DependencyInjection/SonataUserExtension.php b/src/DependencyInjection/SonataUserExtension.php
index c63863210..8ef12a9ef 100644
--- a/src/DependencyInjection/SonataUserExtension.php
+++ b/src/DependencyInjection/SonataUserExtension.php
@@ -18,9 +18,9 @@
 use Symfony\Component\Config\Definition\Processor;
 use Symfony\Component\Config\FileLocator;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Extension\Extension;
 use Symfony\Component\DependencyInjection\Extension\PrependExtensionInterface;
 use Symfony\Component\DependencyInjection\Loader\PhpFileLoader;
-use Symfony\Component\HttpKernel\DependencyInjection\Extension;
 
 /**
  * @author Thomas Rabaix <thomas.rabaix@sonata-project.org>