--- webform.module.old	2013-06-13 11:18:06.000000000 -0600
+++ webform.module	2013-06-13 11:13:53.000000000 -0600
@@ -2996,7 +2996,7 @@
       '%post' => $_POST,
     ),
     'unsafe' => array(
-      '%cookie' => $_COOKIE,
+      '%cookie' => isset($_COOKIE) ? $_COOKIE : array(),
       '%session' => isset($_SESSION) ? $_SESSION : array(),
       '%request' => $_REQUEST,
       '%server' => $_SERVER,