diff --git a/inc/auth.php b/inc/auth.php
index 21e4d87..bd789ef 100644
--- a/inc/auth.php
+++ b/inc/auth.php
@@ -177,7 +177,8 @@ class Auth extends PhpObject
 	{
 		//Add Server Name
 		$sServerName = array_key_exists('SERVER_NAME', $_SERVER)?$_SERVER['SERVER_NAME']:$_SERVER['PWD'];
-		$sAppPath = $_SERVER['REQUEST_SCHEME'].'://'.str_replace(array('http://', 'https://'), '', $sServerName.dirname($_SERVER['SCRIPT_NAME']));
+		$sScheme = array_key_exists('HTTP_X_FORWARDED_PROTO', $_SERVER)?$_SERVER['HTTP_X_FORWARDED_PROTO']:$_SERVER['REQUEST_SCHEME'];
+		$sAppPath = $sScheme.'://'.str_replace(array('http://', 'https://'), '', $sServerName.dirname($_SERVER['SCRIPT_NAME']));
 		$_GET['serv_name'] = $sAppPath.(mb_substr($sAppPath, -1)!='/'?'/':'');
 		return md5($sPass.$_GET['serv_name']);
 	}