diff --git a/core/modules/system/lib/Drupal/system/Tests/Form/CallbackBuilderTest.php b/core/modules/system/lib/Drupal/system/Tests/Form/CallbackBuilderTest.php
index d4aa96a..f1a146d 100644
--- a/core/modules/system/lib/Drupal/system/Tests/Form/CallbackBuilderTest.php
+++ b/core/modules/system/lib/Drupal/system/Tests/Form/CallbackBuilderTest.php
@@ -35,7 +35,7 @@ public static function getInfo() {
   function testStaticMethodCallback() {
     $this->drupalGet('form-test/callback-builder');
     $this->assertText('The Callbacks::buildForm() method was used for this form.');
-    $elements = $this->xpath('//div[@id="form-test-callback-builder-form"]');
+    $elements = $this->xpath('//form[@id="form-test-callback-builder-form"]');
     $this->assertTrue(!empty($elements), 'The correct form ID was used even when it is not the callback function name.');
   }