From e5be2991019f1a6716d253596562f8ab0f4df008 Mon Sep 17 00:00:00 2001
From: Roeland Jago Douma <roeland@famdouma.nl>
Date: Wed, 7 Feb 2018 11:04:37 +0100
Subject: [PATCH] Use proper lanugage in langauge code

Fixes #8180

The _ is not valid in language codes use - instead.

Signed-off-by: Roeland Jago Douma <roeland@famdouma.nl>
---
 lib/private/TemplateLayout.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lib/private/TemplateLayout.php b/lib/private/TemplateLayout.php
index 3acdae0e39..d37a8bbabb 100644
--- a/lib/private/TemplateLayout.php
+++ b/lib/private/TemplateLayout.php
@@ -128,7 +128,9 @@ class TemplateLayout extends \OC_Template {
 
 		}
 		// Send the language to our layouts
-		$this->assign('language', \OC::$server->getL10NFactory()->findLanguage());
+		$lang = \OC::$server->getL10NFactory()->findLanguage();
+		$lang = str_replace('_', '-', $lang);
+		$this->assign('language', $lang);
 
 		if(\OC::$server->getSystemConfig()->getValue('installed', false)) {
 			if (empty(self::$versionHash)) {