diff --git a/Localization/StringsConvertor/input/ja.lproj/app.json b/Localization/StringsConvertor/input/ja.lproj/app.json
index 1b3184e9f..c716b18ff 100644
--- a/Localization/StringsConvertor/input/ja.lproj/app.json
+++ b/Localization/StringsConvertor/input/ja.lproj/app.json
@@ -467,6 +467,7 @@
                 "followers": "フォロワー"
             },
             "fields": {
+                "joined": "Joined",
                 "add_row": "行追加",
                 "placeholder": {
                     "label": "ラベル",