diff --git a/core/update.php b/core/update.php
index 52cf3d0..f4e4961 100644
--- a/core/update.php
+++ b/core/update.php
@@ -500,7 +500,8 @@ if (update_access_allowed()) {
     // Regular batch ops : defer to batch processing API.
     default:
       update_task_list('run');
-      $output = _batch_page();
+      $batch = batch_load($_REQUEST['id']);
+      $output = _batch_page($batch);
       break;
   }
 }