diff --git a/core/modules/testing_ui/tests/src/Functional/SimpletestUiTest.php b/core/modules/testing_ui/tests/src/Functional/SimpletestUiTest.php
index 5b073eb400..515fb34498 100644
--- a/core/modules/testing_ui/tests/src/Functional/SimpletestUiTest.php
+++ b/core/modules/testing_ui/tests/src/Functional/SimpletestUiTest.php
@@ -31,7 +31,7 @@ protected function setUp() {
    * Tests that unit, kernel, and functional tests work through the UI.
    */
   public function testTestingThroughUI() {
-    $url = Url::fromRoute('simpletest.test_form');
+    $url = Url::fromRoute('testing_ui.test_form');
     $assertion = $this->assertSession();
 
     $this->drupalGet($url);