diff --git a/lib/lang.js b/lib/lang.js
index afa6b528..61285514 100644
--- a/lib/lang.js
+++ b/lib/lang.js
@@ -38,13 +38,13 @@ export function generateLocaleDict(langString) {
     case 'zh-tw':
       userLocale = lang['zh-TW']
       break
-    case 'fr-fr':
+    case 'fr':
       userLocale = lang['fr-FR']
       break
-    case 'tr-tr':
+    case 'tr':
       userLocale = lang['tr-TR']
       break
-    case 'ja-jp':
+    case 'ja':
       userLocale = lang['ja-JP']
       break
     default: