diff --git a/bbs/memo_form_update.php b/bbs/memo_form_update.php
index c0244eee0..f95526e76 100644
--- a/bbs/memo_form_update.php
+++ b/bbs/memo_form_update.php
@@ -20,7 +20,7 @@ run_event('memo_form_update_before', $recv_list);
 for ($i=0; $i<count($recv_list); $i++) {
     $row = sql_fetch(" select mb_id, mb_nick, mb_open, mb_leave_date, mb_intercept_date from {$g5['member_table']} where mb_id = '{$recv_list[$i]}' ");
     if ($row) {
-        if ($is_admin || ($row['mb_open'] && (!$row['mb_leave_date'] || !$row['mb_intercept_date']))) {
+        if ($is_admin || ($row['mb_open'] && (!$row['mb_leave_date'] && !$row['mb_intercept_date']))) {
             $member_list['id'][]   = $row['mb_id'];
             $member_list['nick'][] = $row['mb_nick'];
         } else {