diff --git a/src/Symfony/Component/Templating/PhpEngine.php b/src/Symfony/Component/Templating/PhpEngine.php
index f309b6082e..443c961c99 100644
--- a/src/Symfony/Component/Templating/PhpEngine.php
+++ b/src/Symfony/Component/Templating/PhpEngine.php
@@ -184,7 +184,7 @@ class PhpEngine implements EngineInterface, \ArrayAccess
      *
      * @param string $name The helper name
      *
-     * @return mixed The helper value
+     * @return HelperInterface The helper value
      *
      * @throws \InvalidArgumentException if the helper is not defined
      *