diff --git a/public/locales/ja/app.json b/public/locales/ja/app.json
index b615c7f7..82123c7e 100644
--- a/public/locales/ja/app.json
+++ b/public/locales/ja/app.json
@@ -1,3 +1,5 @@
 {
-  "{{name}} (Connecting...)": "{{name}} (接続中…)"
+  "{{name}} (Connecting...)": "{{name}} (接続中…)",
+  "{{count}} people connected|other": "{{count}}人が接続済",
+  "{{count}} people connected|one": "{{count}}人が接続済"
 }