diff --git a/core/includes/batch.inc b/core/includes/batch.inc
index 5bfa5fd..57c453d 100644
--- a/core/includes/batch.inc
+++ b/core/includes/batch.inc
@@ -28,13 +28,13 @@
 function _batch_page(Request $request) {
   $batch = &batch_get();

-  if (!$request->has('id')) {
+  if (!($request_id = $request->get('id'))) {
     return FALSE;
   }

   // Retrieve the current state of the batch.
   if (!$batch) {
-    $batch = Drupal::service('batch.storage')->load($request->get('id'));
+    $batch = Drupal::service('batch.storage')->load($request_id);
     if (!$batch) {
       drupal_set_message(t('No active batch.'), 'error');
       drupal_goto();