diff --git a/src/lang/japanese.txt b/src/lang/japanese.txt
--- a/src/lang/japanese.txt
+++ b/src/lang/japanese.txt
@@ -2257,6 +2257,7 @@ STR_NETWORK_SERVER_LIST_LANDSCAPE                               :{SILVER}地域: {WHITE}{STRING}
 STR_NETWORK_SERVER_LIST_MAP_SIZE                                :{SILVER}地図サイズ: {WHITE}{COMMA}×{COMMA}
 STR_NETWORK_SERVER_LIST_SERVER_VERSION                          :{SILVER}サーバーバージョン: {WHITE}{STRING}
 STR_NETWORK_SERVER_LIST_SERVER_ADDRESS                          :{SILVER}サーバーアドレス: {WHITE}{STRING}
+STR_NETWORK_SERVER_LIST_INVITE_CODE                             :{SILVER}招待コード：{WHITE}{STRING}
 STR_NETWORK_SERVER_LIST_START_DATE                              :{SILVER}開始日: {WHITE}{DATE_SHORT}
 STR_NETWORK_SERVER_LIST_CURRENT_DATE                            :{SILVER}現在の日付：{WHITE}{DATE_SHORT}
 STR_NETWORK_SERVER_LIST_GAMESCRIPT                              :{SILVER}ゲームスクリプト: {WHITE}{STRING} (v{NUM})