1.1 --- a/index.php	Sun Apr 29 12:26:55 2012 +0200
     1.2 +++ b/index.php	Sun Apr 29 12:59:10 2012 +0200
     1.3 @@ -77,7 +77,7 @@
     1.4          } 
     1.5      }
     1.6  	
     1.7 -	if ($_GET['forceOS'])
     1.8 +	if ($_GET['forceOS'] && array_key_exists($_GET['forceOS'], $downloadLink))
     1.9  		$operatingSystem = $_GET['forceOS'];
    1.10  		
    1.11  	if ($_GET['download'] && $_GET['redirect'] == "301") {