diff --git a/lib/plugins/config/admin.php b/lib/plugins/config/admin.php
index 31414c9e04a1228f7f7765ce8b00192dde1eb816..bd579423b50940da74c02e807019c1d244a58d11 100644
--- a/lib/plugins/config/admin.php
+++ b/lib/plugins/config/admin.php
@@ -79,7 +79,7 @@ class admin_plugin_config extends DokuWiki_Admin_Plugin {
         // save state & force a page reload to get the new settings to take effect
         $_SESSION['PLUGIN_CONFIG'] = array('state' => 'updated', 'time' => time());
         $this->_close_session();
-        header("Location: ".wl($ID,'do=admin&page=config'));
+        header("Location: ".str_replace('&','&',wl($ID,'do=admin&page=config')));
         exit();
       }