diff --git a/src/Symfony/Component/Security/Core/Exception/AuthenticationException.php b/src/Symfony/Component/Security/Core/Exception/AuthenticationException.php
index 032156e263bc..b34f7d72b952 100644
--- a/src/Symfony/Component/Security/Core/Exception/AuthenticationException.php
+++ b/src/Symfony/Component/Security/Core/Exception/AuthenticationException.php
@@ -26,7 +26,7 @@ class AuthenticationException extends \RuntimeException implements \Serializable
     /**
      * Get the token.
      *
-     * @return TokenInterface
+     * @return TokenInterface|null
      */
     public function getToken()
     {