diff --git a/core/modules/comment/src/Form/CommentAdminOverview.php b/core/modules/comment/src/Form/CommentAdminOverview.php
index 5ed6cfe..79b25dd 100644
--- a/core/modules/comment/src/Form/CommentAdminOverview.php
+++ b/core/modules/comment/src/Form/CommentAdminOverview.php
@@ -286,9 +286,15 @@ public function submitForm(array &$form, FormStateInterface $form_state) {
       $form_state->setRedirect('comment.admin');
     }
     else {
+      $info = [];
+      /** @var \Drupal\comment\CommentInterface $comment */
+      foreach ($comments as $comment) {
+        $langcode = $comment->language()->getId();
+        $info[$comment->id()][$langcode] = $langcode;
+      }
       $this->tempStoreFactory
         ->get('comment_multiple_delete_confirm')
-        ->set($this->currentUser()->id(), $comments);
+        ->set($this->currentUser()->id(), $info);
       $form_state->setRedirect('comment.multiple_delete_confirm');
     }
   }
diff --git a/core/modules/comment/src/Tests/CommentAdminTest.php b/core/modules/comment/src/Tests/CommentAdminTest.php
index fa82bfa..5b9e258 100644
--- a/core/modules/comment/src/Tests/CommentAdminTest.php
+++ b/core/modules/comment/src/Tests/CommentAdminTest.php
@@ -95,7 +95,7 @@ function testApprovalAdminInterface() {
     );
     $this->drupalPostForm(NULL, $edit, t('Update'));
     $this->assertText(t('Are you sure you want to delete these comments and all their children?'), 'Confirmation required.');
-    $this->drupalPostForm(NULL, $edit, t('Delete'));
+    $this->drupalPostForm(NULL, [], t('Delete'));
     $this->assertText(t('No comments available.'), 'All comments were deleted.');
     // Test message when no comments selected.
     $edit = array(