diff --git a/js/plupload.js b/js/plupload.js
index 8d991d9..8d34587 100644
--- a/js/plupload.js
+++ b/js/plupload.js
@@ -25,7 +25,7 @@ Drupal.behaviors.filefield_sources_plupload = {
 
       // Intercept the submit to start uploading and ensure all files are done
       // uploading before triggering the ajax form update.
-      var $submit = $(this).closest('.filefield-source-plupload').find('input.form-submit');
+      var $submit = $(this).closest('.filefield-source-plupload').find('.form-submit');
 
       $submit.bind('click', function(e) {
         e.preventDefault();