diff --git a/core/modules/help/src/Tests/HelpEmptyPageTest.php b/core/modules/help/src/Tests/HelpEmptyPageTest.php
index 6a4404e..98fcd60 100644
--- a/core/modules/help/src/Tests/HelpEmptyPageTest.php
+++ b/core/modules/help/src/Tests/HelpEmptyPageTest.php
@@ -39,7 +39,7 @@ protected function setUp() {
   public function containerBuild(ContainerBuilder $container) {
     parent::containerBuild($container);
 
-    $container->set('url_generator', new SupernovaGenerator());
+    $container->set('url_generator', new SuperNovaGenerator());
   }
 
   /**