diff --git a/core/layout/main.php b/core/layout/main.php
index 6e10f387..16fee4fc 100644
--- a/core/layout/main.php
+++ b/core/layout/main.php
@@ -1,6 +1,6 @@
-<?php $layout = new layout($this);?>
+<?php $lan = substr($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2); ?>
 <!DOCTYPE html>
-<html prefix="og: http://ogp.me/ns#" lang="fr">
+<html prefix="og: http://ogp.me/ns#" lang="<?php echo $lan;?>">
 	<head>
 		<meta charset="UTF-8">
 		<meta name="viewport" content="width=device-width, initial-scale=1">
