diff --git a/src/Assetic/Extension/Twig/AsseticFilterFunction.php b/src/Assetic/Extension/Twig/AsseticFilterFunction.php
index 2c2b13c3..c61b4355 100644
--- a/src/Assetic/Extension/Twig/AsseticFilterFunction.php
+++ b/src/Assetic/Extension/Twig/AsseticFilterFunction.php
@@ -11,7 +11,7 @@
 
 namespace Assetic\Extension\Twig;
 
-class AsseticFilterFunction extends \Twig_SimpleFunction
+class AsseticFilterFunction extends \Twig_Function
 {
     public function __construct($name, $options = array())
     {