diff --git a/includes/node_widget.theme.inc b/includes/node_widget.theme.inc
index 5cefc98..7ae4836 100644
--- a/includes/node_widget.theme.inc
+++ b/includes/node_widget.theme.inc
@@ -18,7 +18,7 @@ function node_widget_theme() {
 /**
  * Theme function for node_widget_element widget.
  */
-function theme_node_widget_element(&$element) {
+function theme_node_widget_element($element) {
   return $element['#children'];
 }
 
@@ -27,4 +27,4 @@ function theme_node_widget_element(&$element) {
  */
 function theme_node_widget_form($form) {
   return drupal_render($form);
-}
\ No newline at end of file
+}