diff --git a/lib/l10n/arb/app_zh_TW.arb b/lib/l10n/arb/app_zh_TW.arb
index fdec8f4..8526e88 100644
--- a/lib/l10n/arb/app_zh_TW.arb
+++ b/lib/l10n/arb/app_zh_TW.arb
@@ -1,5 +1,5 @@
 {
-  "@@locale": "zh_TW",
+  "@@locale": "zh-TW",
   "@@last_modified": "2026-01-16",
   "appName": "SpotiFLAC",
   "@appName": {