diff --git a/core/lib/Drupal/Core/DrupalKernel.php b/core/lib/Drupal/Core/DrupalKernel.php
index 2cbcf9c..99a25c2 100644
--- a/core/lib/Drupal/Core/DrupalKernel.php
+++ b/core/lib/Drupal/Core/DrupalKernel.php
@@ -918,7 +918,7 @@ public static function bootEnvironment($app_root = NULL) {
       $app_root = static::guessApplicationRoot();
     }
     // Include our bootstrap file.
-    require_once $app_root . '/includes/bootstrap.inc';
+    require_once $app_root . '/core/includes/bootstrap.inc';
 
     // Enforce E_STRICT, but allow users to set levels not part of E_STRICT.
     error_reporting(E_STRICT | E_ALL);