diff --git a/core/modules/node/node.preview.js b/core/modules/node/node.preview.js
index 33383a3..f631923 100644
--- a/core/modules/node/node.preview.js
+++ b/core/modules/node/node.preview.js
@@ -15,7 +15,7 @@
         // or SHIFT key.
         if (event.button === 0 && !event.altKey && !event.ctrlKey && !event.metaKey && !event.shiftKey) {
           event.preventDefault();
-          var $previewDialog = $('<dialog>' + Drupal.theme('nodePreviewModal') + '</dialog>').appendTo('body');
+          var $previewDialog = $('<div>' + Drupal.theme('nodePreviewModal') + '</div>').appendTo('body');
           Drupal.dialog($previewDialog, {
             title: Drupal.t('Leave preview?'),
             buttons: [