diff --git a/modules/upload.module b/modules/upload.module
index b632c5646c2c6e29e56c5b480063c26d291a14cf..333cd7f43a2e5e565ce08eb5de78a73004ec8912 100644
--- a/modules/upload.module
+++ b/modules/upload.module
@@ -517,7 +517,7 @@ function upload_js() {
   $node = array2object($_POST['edit']);
   upload_nodeapi($node, 'validate', NULL);
   $form = _upload_form($node);
-  $form = _form_builder($form);
+  $form = _form_builder('upload_js', $form);
   $output = theme('status_messages') . form_render($form);
 
   // We send the updated file attachments form.
diff --git a/modules/upload/upload.module b/modules/upload/upload.module
index b632c5646c2c6e29e56c5b480063c26d291a14cf..333cd7f43a2e5e565ce08eb5de78a73004ec8912 100644
--- a/modules/upload/upload.module
+++ b/modules/upload/upload.module
@@ -517,7 +517,7 @@ function upload_js() {
   $node = array2object($_POST['edit']);
   upload_nodeapi($node, 'validate', NULL);
   $form = _upload_form($node);
-  $form = _form_builder($form);
+  $form = _form_builder('upload_js', $form);
   $output = theme('status_messages') . form_render($form);
 
   // We send the updated file attachments form.