diff --git a/includes/smarty.php b/includes/smarty.php
index 0e8e3c8..b264562 100644
--- a/includes/smarty.php
+++ b/includes/smarty.php
@@ -308,7 +308,8 @@ smarty_register_function('format_size','smarty_format_size');
 
 function smarty_table_ordered_th($params, $smarty) {
   if ($params['order'] && $params['url'] && $params['text'] && is_array($params['search'])) {
-    echo "<a href='".$params['url']."?order=".$params['order']."'>".$params['text']."</a>";
+    $params['url'] .= (strpos($params['url'], '?') === false?'?':'&')."order=".$params['order'];
+    echo "<a href='".$params['url']."'>".$params['text']."</a>";
   }
   if ($params['order']==$params['search']['order']) {
     echo (