diff --git a/src/Symfony/Bundle/SecurityBundle/Tests/Functional/FormLoginTest.php b/src/Symfony/Bundle/SecurityBundle/Tests/Functional/FormLoginTest.php
index f49cfa84c0..394e59cc42 100644
--- a/src/Symfony/Bundle/SecurityBundle/Tests/Functional/FormLoginTest.php
+++ b/src/Symfony/Bundle/SecurityBundle/Tests/Functional/FormLoginTest.php
@@ -110,6 +110,7 @@ class FormLoginTest extends AbstractWebTestCase
 
     /**
      * @dataProvider provideInvalidCredentials
+     * @group time-sensitive
      */
     public function testLoginThrottling($username, $password)
     {