diff --git a/src/Template/TwigExtension.php b/src/Template/TwigExtension.php
index 09bd266..6479fe3 100644
--- a/src/Template/TwigExtension.php
+++ b/src/Template/TwigExtension.php
@@ -27,14 +27,8 @@ class TwigExtension extends AbstractExtension {
    */
   public function getFunctions() {
     return [
-      new TwigFunction('pattern', [
-        $this,
-        'renderPattern',
-      ]),
-      new TwigFunction('pattern_preview', [
-        $this,
-        'renderPatternPreview',
-      ]),
+      new TwigFunction('pattern', $this->renderPattern(...)),
+      new TwigFunction('pattern_preview', $this->renderPatternPreview(...)),
     ];
   }
 
@@ -43,8 +37,8 @@ class TwigExtension extends AbstractExtension {
    */
   public function getFilters() {
     return [
-      new TwigFilter('add_class', [$this, 'addClass']),
-      new TwigFilter('set_attribute', [$this, 'setAttribute']),
+      new TwigFilter('add_class', $this->addClass(...)),
+      new TwigFilter('set_attribute', $this->setAttribute(...)),
     ];
   }