diff --git a/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php b/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
index 3484db9981..054ca7bbd4 100644
--- a/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
+++ b/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
@@ -981,6 +981,8 @@ class FilesystemTest extends \PHPUnit_Framework_TestCase
         if ($datas = posix_getgrgid($infos['gid'])) {
             return $datas['name'];
         }
+
+        $this->markTestSkipped('Unable to retrieve file group name');
     }
 
     private function markAsSkippedIfSymlinkIsMissing()