diff --git a/wysiwyg/editors/js/none.js b/wysiwyg/editors/js/none.js
index 3402024..1787dfa 100644
--- a/wysiwyg/editors/js/none.js
+++ b/wysiwyg/editors/js/none.js
@@ -17,7 +17,7 @@ Drupal.wysiwyg.editor.attach.none = function(context, params, settings) {
   if (params.resizable) {
     var $wrapper = $('#' + params.field).parents('.form-textarea-wrapper:first');
     $wrapper.addClass('resizable');
-    if (Drupal.behaviors.textarea.attach) {
+    if (Drupal.behaviors.textarea && Drupal.behaviors.textarea.attach) {
       Drupal.behaviors.textarea.attach();
     }
   }