diff --git a/public/language/ja/language.json b/public/language/ja/language.json
index e210a4285a..ecd635ee30 100644
--- a/public/language/ja/language.json
+++ b/public/language/ja/language.json
@@ -1,5 +1,5 @@
 {
     "name": "日本語",
-    "code": "ja_JP",
+    "code": "ja",
     "dir": "ltr"
 }
\ No newline at end of file