diff --git a/src/GettextTranslator.php b/src/GettextTranslator.php
index 288a489..ee0cee4 100644
--- a/src/GettextTranslator.php
+++ b/src/GettextTranslator.php
@@ -2,6 +2,7 @@
 
 namespace ipl\I18n;
 
+use Locale;
 use FilesystemIterator;
 use ipl\Stdlib\Contract\Translator;
 use SplFileInfo;
@@ -195,6 +196,7 @@ public function setLocale($locale)
     {
         putenv("LANGUAGE=$locale.UTF-8");
         setlocale(LC_ALL, $locale . '.UTF-8');
+        Locale::setDefault($locale . '.UTF-8');
 
         $this->loadTranslations();