diff --git a/locales/ja-KS.yml b/locales/ja-KS.yml
index 2dd2220791..2aab0d6f48 100644
--- a/locales/ja-KS.yml
+++ b/locales/ja-KS.yml
@@ -2721,6 +2721,9 @@ _contextMenu:
   app: "アプリ"
   appWithShift: "Shiftキーでアプリ"
   native: "ブラウザのUI"
+_customEmojisManager:
+  _gridCommon:
+    alertEmojisRegisterFailedTitle: "おかしなったで"
 _embedCodeGen:
   title: "埋め込みコードをカスタム"
   header: "ヘッダー出す"