diff --git a/miniflux/model.php b/miniflux/model.php
index b633f66..e6b2fac 100644
--- a/miniflux/model.php
+++ b/miniflux/model.php
@@ -460,5 +460,7 @@ function save_config(array $values)
     $_SESSION['user']['language'] = $values['language'];
     unset($_COOKIE['language']);
 
+    \PicoTools\Translator\load($values['language']);
+
     return \PicoTools\singleton('db')->table('config')->update($values);
 }
diff --git a/miniflux/vendor/PicoTools/Translator.php b/miniflux/vendor/PicoTools/Translator.php
index 832635c..e2ce27d 100644
--- a/miniflux/vendor/PicoTools/Translator.php
+++ b/miniflux/vendor/PicoTools/Translator.php
@@ -110,7 +110,7 @@ namespace PicoTools\Translator {
     {
         static $values = array();
 
-        if ($locales) {
+        if ($locales !== null) {
 
             $values = $locales;
         }