diff --git a/public/legacy.php b/public/legacy.php
index 3021e5f650..d69a71c176 100644
--- a/public/legacy.php
+++ b/public/legacy.php
@@ -1,6 +1,8 @@
 <?php
 /* For licensing terms, see /license.txt */
 
+$charset = 'UTF-8';
+
 require_once __DIR__.'/../main/inc/lib/api.lib.php';
 require_once __DIR__.'/../main/inc/lib/array.lib.php';
 require_once __DIR__.'/../main/inc/lib/database.constants.inc.php';