diff --git a/core/modules/outside_in/js/outside_in.es6.js b/core/modules/outside_in/js/outside_in.es6.js
index b8b6a4e447f..7271024ef45 100644
--- a/core/modules/outside_in/js/outside_in.es6.js
+++ b/core/modules/outside_in/js/outside_in.es6.js
@@ -216,7 +216,7 @@
       Drupal.ajax.instances
         // If there is an element and the renderer is 'off_canvas' then we want
         // to add our changes.
-        .filter(instance => $(instance.element).attr('data-dialog-renderer') === 'off_canvas')
+        .filter(instance => instance && $(instance.element).attr('data-dialog-renderer') === 'off_canvas')
         // Loop through all Ajax instances that use the 'off_canvas' renderer to
         // set active editable ID.
         .forEach((instance) => {
diff --git a/core/modules/outside_in/js/outside_in.js b/core/modules/outside_in/js/outside_in.js
index 5561c115e0b..30fe581fa90 100644
--- a/core/modules/outside_in/js/outside_in.js
+++ b/core/modules/outside_in/js/outside_in.js
@@ -124,7 +124,7 @@
       $(toggleEditSelector).once('outsidein').on('click.outsidein', toggleEditMode);
 
       Drupal.ajax.instances.filter(function (instance) {
-        return $(instance.element).attr('data-dialog-renderer') === 'off_canvas';
+        return instance && $(instance.element).attr('data-dialog-renderer') === 'off_canvas';
       }).forEach(function (instance) {
         if (!('dialogOptions' in instance.options.data)) {
           instance.options.data.dialogOptions = {};