diff --git a/core/modules/responsive_preview/js/responsive-preview.js b/core/modules/responsive_preview/js/responsive-preview.js
index ab43308..b55772a 100644
--- a/core/modules/responsive_preview/js/responsive-preview.js
+++ b/core/modules/responsive_preview/js/responsive-preview.js
@@ -9,6 +9,8 @@
 
 var previewModel, tabModel, appView, tabView, blockView, keyboardView;
 
+var currentPath;
+
 /**
  * Attaches behaviors to the toolbar tab and preview containers.
  */
@@ -18,6 +20,9 @@ Drupal.behaviors.responsivePreview = {
     // elements are found. window and window.parent are equivalent unless the
     // Drupal page is itself wrapped in an iframe.
     var $body = $(window.parent.document.body).once('responsive-preview');
+    // Store the current path. The drupalSettings.currentPath changes whenever
+    // an AJAX request is sent, so we save it on the first process of attach.
+    currentPath = currentPath || drupalSettings.currentPath;
 
     if ($body.length) {
       var options = $.extend(this.defaults, drupalSettings.responsivePreview || {});
@@ -545,7 +550,7 @@ Drupal.responsivePreview = Drupal.responsivePreview || {
         var $frame = $(Drupal.theme('responsivePreviewFrame'))
           .attr({
             'data-loading': true,
-            src: drupalSettings.basePath + Drupal.encodePath(drupalSettings.currentPath),
+            src: drupalSettings.basePath + Drupal.encodePath(currentPath),
             width: '100%',
             height: '100%'
           })