From 24c47bbd53e8b7ae7df8211b07dd0acabfada4da Mon Sep 17 00:00:00 2001
From: Daniel Winzen <daniel@danwin1210.me>
Date: Thu, 15 Oct 2020 21:57:57 +0200
Subject: [PATCH] Fix potential incorrect link building

---
 common_config.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/common_config.php b/common_config.php
index 0feca52..9222f7d 100644
--- a/common_config.php
+++ b/common_config.php
@@ -69,7 +69,7 @@ if($language!=='en'){
 function print_langs(){
 	global $I, $L;
 	echo "<small>$I[language]: ";
-	$query=preg_replace('/(&?lang=[a-z_\-]*)/i', '', $_SERVER['QUERY_STRING']);
+	$query=ltrim(preg_replace('/&?lang=[a-z_\-]*/i', '', $_SERVER['QUERY_STRING']), '&');
 	foreach($L as $code=>$name){
 		if($query===''){
 			$uri="?lang=$code";