diff --git a/common/lang/jp.lang.php b/common/lang/jp.lang.php
index 97f7c446e..fe355a52b 100644
--- a/common/lang/jp.lang.php
+++ b/common/lang/jp.lang.php
@@ -43,6 +43,7 @@
     $lang->cmd_open = '開く';
     $lang->cmd_setup = '設定';
     $lang->cmd_apply = '適用';
+	$lang->cmd_option = 'オプション';
     $lang->cmd_open_calendar = 'カレンダを開く';
     $lang->cmd_send = '送信';
     $lang->cmd_print = '印刷';