diff --git a/core/includes/form.inc b/core/includes/form.inc
index 05b6d29..d54d560 100644
--- a/core/includes/form.inc
+++ b/core/includes/form.inc
@@ -1904,7 +1904,7 @@ function form_builder($form_id, &$element, &$form_state) {
   // checkboxes and files.
   if (isset($element['#process']) && !$element['#processed']) {
     foreach ($element['#process'] as $process) {
-      $element = call_user_func_array($process, array(&$element, &$form_state, &$form_state['complete_form']));
+      $element = call_user_func_array($process, array($element, &$form_state, &$form_state['complete_form']));
     }
     $element['#processed'] = TRUE;
   }