diff --git a/locales/index.js b/locales/index.js
index 8d15b5f8d..6fe8e7bbc 100644
--- a/locales/index.js
+++ b/locales/index.js
@@ -26,7 +26,7 @@ const languages = [
 	'it-IT',
 	'ja-JP',
 	'ja-KS',
-	'ja-NYA',
+	'ja-NY',
 	'kab-KAB',
 	'kn-IN',
 	'ko-KR',
@@ -58,7 +58,7 @@ module.exports = Object.entries(locales)
 		switch (k) {
 			case 'ja-JP': return v;
 			case 'ja-KS':
-			case 'ja-NYA':
+			case 'ja-NY':
 			case 'en-US': return merge(locales['ja-JP'], v);
 			default: return merge(
 				locales['ja-JP'],
diff --git a/locales/ja-NYA.yml b/locales/ja-NY.yml
similarity index 100%
rename from locales/ja-NYA.yml
rename to locales/ja-NY.yml