diff --git a/core/layout/blank.php b/core/layout/blank.php
index 909a5bfe..962ed73b 100644
--- a/core/layout/blank.php
+++ b/core/layout/blank.php
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html prefix="og: http://ogp.me/ns#" lang="<?php echo self::$i18nContent;?>">
+<html prefix="og: http://ogp.me/ns#" lang="<?php echo substr(self::$i18nContent, 0, 2); ?>">
 <head>
 	<meta charset="UTF-8">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
diff --git a/core/layout/light.php b/core/layout/light.php
index f793fac8..4447176d 100644
--- a/core/layout/light.php
+++ b/core/layout/light.php
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html prefix="og: http://ogp.me/ns#" lang="<?php echo self::$i18nContent;?>">
+<html prefix="og: http://ogp.me/ns#" lang="<?php echo substr(self::$i18nContent, 0, 2); ?>">
 <head>
 	<meta charset="UTF-8">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
diff --git a/core/layout/mail.php b/core/layout/mail.php
index 10ed6083..4f214c00 100644
--- a/core/layout/mail.php
+++ b/core/layout/mail.php
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html xmlns="http://www.w3.org/1999/xhtml" lang="fr">
+<html xmlns="http://www.w3.org/1999/xhtml" lang="<?php echo substr(self::$i18nContent, 0, 2); ?>>
 <head>
 	<meta charset="utf-8">
 	<meta name="viewport" content="width=device-width">
diff --git a/core/layout/main.php b/core/layout/main.php
index 784f4e47..449ae7a4 100644
--- a/core/layout/main.php
+++ b/core/layout/main.php
@@ -1,6 +1,5 @@
 <!DOCTYPE html>
-<html prefix="og: http://ogp.me/ns#" lang="<?php echo self::$i18nContent; ?>">
-
+<html prefix="og: http://ogp.me/ns#" lang="<?php echo substr(self::$i18nContent, 0, 2); ?>">
 <head>
 	<meta charset="UTF-8">
 	<meta name="viewport" content="width=device-width, initial-scale=1">
