diff --git a/skin/member/kcpcert/register_form.skin.php b/skin/member/kcpcert/register_form.skin.php
index ab3da3e7b..e6d7023b4 100644
--- a/skin/member/kcpcert/register_form.skin.php
+++ b/skin/member/kcpcert/register_form.skin.php
@@ -93,7 +93,7 @@ if (!defined('_GNUBOARD_')) exit; // 개별 페이지 접근 불가
 <tr>
     <th scope="row"><label for="reg_mb_hp">핸드폰번호<? if ($config['cf_req_hp']) {?><strong class="sound_only">필수</strong><?}?></label></th>
     <td>
-        <input type="text" id="reg_mb_hp" name="mb_hp" class="frm_input <?=$config['cf_req_hp']?"required":"";?>" maxlength="20" <?=$config['cf_req_hp']?"required":"";?> value="<?=$member[mb_hp]?>">
+        <input type="text" id="reg_mb_hp" name="mb_hp" class="frm_input <?=$config['cf_req_hp']?"required":"";?>" maxlength="20" <?=$config['cf_req_hp']?"required":"";?> value="<?=$member['mb_hp']?>">
         <button type="button" id="win_kcpcert">휴대폰인증</button>
         <noscript>휴대폰인증을 위해서는 자바스크립트 사용이 가능해야합니다.</noscript>
     </td>