diff --git a/references_dialog.dialog_widgets.inc b/references_dialog.dialog_widgets.inc
index 2185be4..dbf1ce8 100644
--- a/references_dialog.dialog_widgets.inc
+++ b/references_dialog.dialog_widgets.inc
@@ -9,7 +9,7 @@
  * Implements hook_references_dialog_widgets().
  */
 function references_dialog_references_dialog_widgets() {
-  return array(
+  $references = array(
     'node_reference_autocomplete' => array(
       'element_type' => 'textfield',
       'dialog_form' => 'node_reference_dialog_form',
@@ -72,6 +72,11 @@ function references_dialog_references_dialog_widgets() {
       ),
     ),
   );
+
+  // Add alter possibility
+  drupal_alter('references_dialog_widgets', $references);
+
+  return $references;
 }
 
 /**