diff --git a/docs/src/_data/languages.json b/docs/src/_data/languages.json
index 529a9e3f2a2..7defcb63eb1 100644
--- a/docs/src/_data/languages.json
+++ b/docs/src/_data/languages.json
@@ -7,9 +7,9 @@
         },
         {
             "flag": "🇯🇵",
-            "code": "jp",
+            "code": "ja",
             "name": "Japanese - 日本語",
-            "url": "https://jp.eslint.org"
+            "url": "https://ja.eslint.org"
         },
         {
             "flag": "🇫🇷",