diff --git a/skin/member/basic/register_form.skin.php b/skin/member/basic/register_form.skin.php
index ae2ba1fc5..38ff6cc15 100644
--- a/skin/member/basic/register_form.skin.php
+++ b/skin/member/basic/register_form.skin.php
@@ -34,7 +34,7 @@ add_stylesheet('<link rel="stylesheet" href="'.$member_skin_url.'/style.css">',
             <th scope="row"><label for="reg_mb_id">아이디<strong class="sound_only">필수</strong></label></th>
             <td>
                 <span class="frm_info">영문자, 숫자, _ 만 입력 가능. 최소 3자이상 입력하세요.</span>
-                <input type="text" name="mb_id" value="<?php echo $member['mb_id'] ?>" id="reg_mb_id" <?php echo $required ?> <?php echo $readonly ?> class="frm_input minlength_3 <?php echo $required ?> <?php echo $readonly ?>"maxlength="20">
+                <input type="text" name="mb_id" value="<?php echo $member['mb_id'] ?>" id="reg_mb_id" <?php echo $required ?> <?php echo $readonly ?> class="frm_input minlength_3 <?php echo $required ?> <?php echo $readonly ?>" maxlength="20">
                 <span id="msg_mb_id"></span>
             </td>
         </tr>