diff --git a/public/locales/ja/app.json b/public/locales/ja/app.json
index 874dd56c..4520a12a 100644
--- a/public/locales/ja/app.json
+++ b/public/locales/ja/app.json
@@ -87,5 +87,6 @@
   "Speaker": "スピーカー",
   "Video call name": "ビデオ通話の名前",
   "Video call": "ビデオ通話",
-  "Video": "ビデオ"
+  "Video": "ビデオ",
+  "Waiting for other participants…": "他の参加者を待っています…"
 }