diff --git a/conf/nginx.conf b/conf/nginx.conf
index 8ce1ca8..d38fba3 100644
--- a/conf/nginx.conf
+++ b/conf/nginx.conf
@@ -10,7 +10,7 @@ location __PATH__/ {
   # Common parameter to increase upload size limit in conjunction with dedicated php-fpm file
   #client_max_body_size 50M;
 
-set $args $args&lang=__LANG__;
+set $args $args&lang=__LANGUAGE__;
 
 try_files $uri $uri/ index.php;
 location ~ [^/]\.php(/|$) {