diff --git a/install/install.php b/install/install.php
index 910a9cd..fe2c64f 100755
--- a/install/install.php
+++ b/install/install.php
@@ -1,8 +1,8 @@
 <?php
 class lang{
-	var $langname=array('de'=>'Deutsch','en'=>'English');
-	var $lang;
-	var string $lf = "";
+	var array $langname=array('de'=>'Deutsch','en'=>'English');
+	var string $lang;
+	var array $lf = array();
 	
 	function __construct(){
 		$language = "";
@@ -28,6 +28,7 @@ class lang{
 	
 	function getbrowserlang(): string
     {
+		$allowed_languages=array();
 		$langs=$_SERVER['HTTP_ACCEPT_LANGUAGE'];
 		if(empty($langs)){
 			return "";