diff --git a/adm/member_form_update.php b/adm/member_form_update.php
index 2941aa415..588a8dd01 100644
--- a/adm/member_form_update.php
+++ b/adm/member_form_update.php
@@ -43,7 +43,6 @@ $sql_common = "  mb_name = '{$_POST['mb_name']}',
                  mb_addr2 = '{$_POST['mb_addr2']}',
                  mb_addr3 = '{$_POST['mb_addr3']}',
                  mb_addr_jibeon = '{$_POST['mb_addr_jibeon']}',
-                 mb_birth = '{$_POST['mb_birth']}',
                  mb_sex = '{$_POST['mb_sex']}',
                  mb_signature = '{$_POST['mb_signature']}',
                  mb_leave_date = '{$_POST['mb_leave_date']}',
diff --git a/bbs/register_form_update.php b/bbs/register_form_update.php
index 8d978a8ee..b6ca2acd8 100644
--- a/bbs/register_form_update.php
+++ b/bbs/register_form_update.php
@@ -180,6 +180,8 @@ if ($config['cf_cert_use'] && $cert_type && $md5_cert_no) {
         $sql_certify .= " , mb_birth = '{$_SESSION['ss_cert_birth']}' ";
         $sql_certify .= " , mb_sex = '{$_SESSION['ss_cert_sex']}' ";
         $sql_certify .= " , mb_dupinfo = '{$_SESSION['ss_cert_dupinfo']}' ";
+        if($w == 'u')
+            $sql_certify .= " , mb_name = '{$mb_name}' ";
     } else {
         $sql_certify .= " , mb_hp = '{$mb_hp}' ";
         $sql_certify .= " , mb_certify  = '' ";