diff --git a/tests/Symfony/Tests/Component/HttpFoundation/File/MimeType/MimeTypeTest.php b/tests/Symfony/Tests/Component/HttpFoundation/File/MimeType/MimeTypeTest.php
index b8810db067..ea83c73c59 100644
--- a/tests/Symfony/Tests/Component/HttpFoundation/File/MimeType/MimeTypeTest.php
+++ b/tests/Symfony/Tests/Component/HttpFoundation/File/MimeType/MimeTypeTest.php
@@ -79,6 +79,10 @@ class MimeTypeTest extends \PHPUnit_Framework_TestCase
             $this->markTestSkipped('Can not verify chmod operations on Windows');
         }
 
+        if (in_array(get_current_user(), array('root'))) {
+            $this->markTestSkipped('This test will fail if run under superuser');
+        }
+
         $path = __DIR__.'/../Fixtures/to_delete';
         touch($path);
         chmod($path, 0333);