diff --git a/core/lib/Drupal/Core/Template/TwigNodeExpressionGetAttrReference.php b/core/lib/Drupal/Core/Template/TwigNodeExpressionGetAttrReference.php
index b96c625..aa8a086 100644
--- a/core/lib/Drupal/Core/Template/TwigNodeExpressionGetAttrReference.php
+++ b/core/lib/Drupal/Core/Template/TwigNodeExpressionGetAttrReference.php
@@ -3,7 +3,7 @@
 namespace Drupal\Core\Template;
 
 class TwigNodeExpressionGetAttrReference extends \Twig_Node_Expression_GetAttr {
-  public function compile(Twig_Compiler $compiler) {
+  public function compile(\Twig_Compiler $compiler) {
     $compiler->raw('array( "attribute", ');
     $compiler->subcompile($this->getNode('attribute'));