diff --git a/webform.module b/webform.module
index 973fd65..098587a 100644
--- a/webform.module
+++ b/webform.module
@@ -3350,6 +3350,7 @@ function theme_webform_token_help($variables) {
 
   $fieldset['token_tree'] = array(
     '#theme' => 'token_tree',
+    '#dialog' => TRUE,
     '#token_types' => $groups,
   );