From b424eb67bf0b93c03e36f01b184c1fe407139bac Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Sat, 16 Sep 2017 20:24:47 +0200
Subject: [PATCH] fix case

---
 Localization/Localization.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Localization/Localization.php b/Localization/Localization.php
index 4fd894cd3..3982f65a4 100644
--- a/Localization/Localization.php
+++ b/Localization/Localization.php
@@ -220,6 +220,8 @@ class Localization
      */
     public function setLanguage(string $language) /* : void */
     {
+        $language = strtolower($language);
+        
         if (!ISO639x1Enum::isValidValue($language)) {
             throw new InvalidEnumValue($language);
         }