diff --git a/core/lib/Drupal/Core/Http/HandlerStackConfigurator.php b/core/lib/Drupal/Core/Http/HandlerStackConfigurator.php
index ab45cf3..4b9657d 100644
--- a/core/lib/Drupal/Core/Http/HandlerStackConfigurator.php
+++ b/core/lib/Drupal/Core/Http/HandlerStackConfigurator.php
@@ -38,7 +38,7 @@ class HandlerStackConfigurator {
    *
    * @var string[]
    */
-  protected $middlewareIds;
+  protected $middlewareIds = [];
 
   /**
    * The service container.
diff --git a/core/modules/locale/locale.batch.inc b/core/modules/locale/locale.batch.inc
index 42d0e8d..befe914 100644
--- a/core/modules/locale/locale.batch.inc
+++ b/core/modules/locale/locale.batch.inc
@@ -239,8 +239,8 @@ function locale_translation_http_check($uri) {
   try {
     $actual_uri = NULL;
     $response = \Drupal::httpClientFactory()->fromOptions(['allow_redirects' => [
-      'on_redirect' => function(RequestInterface $request, ResponseInterface $response, UriInterface $uri) use (&$actual_uri) {
-      $actual_uri = (string) $uri;
+      'on_redirect' => function(RequestInterface $request, ResponseInterface $response, UriInterface $request_uri) use (&$actual_uri) {
+      $actual_uri = (string) $request_uri;
     }]])->head($uri);
     $result = array();