diff --git a/includes/modules/pages/checkout_success/header_php.php b/includes/modules/pages/checkout_success/header_php.php
index 2ca3c37d62..7401294785 100644
--- a/includes/modules/pages/checkout_success/header_php.php
+++ b/includes/modules/pages/checkout_success/header_php.php
@@ -164,7 +164,7 @@ function continueClick()
   reset($_POST);
   while (list($key, $value) = each($_POST)) {
     if (!is_array($_POST[$key])) {
-      echo zen_draw_hidden_field($key, htmlspecialchars(stripslashes($value), ENT_COMPAT, CHARSET, TRUE)) . "\n";
+      echo zen_draw_hidden_field($key, zen_output_string_protected(stripslashes($value))) . "\n";
     }
   }
   if (!isset($_POST['securityToken'])) zen_draw_hidden_field('securityToken', $_SESSION['securityToken']);