diff --git a/src/locales/zh_TW/egg.json b/src/locales/zh_TW/egg.json
index 0178848a0d5..6667fccb826 100644
--- a/src/locales/zh_TW/egg.json
+++ b/src/locales/zh_TW/egg.json
@@ -11,6 +11,7 @@
   "gachaTypeLegendary": "傳說概率上升",
   "gachaTypeMove": "稀有概率上升",
   "gachaTypeShiny": "閃光概率上升",
+  "eventType": "Mystery Event",
   "selectMachine": "選擇一個機器。",
   "notEnoughVouchers": "你沒有足夠的兌換券！",
   "tooManyEggs": "你的蛋太多啦！",