diff --git a/adm/boardgroup_list.php b/adm/boardgroup_list.php
index baebd0b46..413d8e3a0 100644
--- a/adm/boardgroup_list.php
+++ b/adm/boardgroup_list.php
@@ -159,7 +159,7 @@ $colspan = 8;
                 <option value="mobile"<?=get_selected($row['gr_device'], 'mobile');?>>모바일</option>
             </select>
         </td>
-        <td class="td_mng"><?=$s_upd?></td>
+        <td class="td_smallmng"><?=$s_upd?></td>
     </tr>
 
     <?
diff --git a/css/admin.css b/css/admin.css
index 52dcffc7c..0f4aeeb3b 100644
--- a/css/admin.css
+++ b/css/admin.css
@@ -226,6 +226,7 @@ td {padding:8px 5px 6px;border-top:1px solid #e9e9e9;border-bottom:1px solid #e9
 /* 회원메일발송 목록 */
 .td_test, .td_send {width:50px;text-align:center}
 .td_mng {width:110px;text-align:center}
+.td_smallmng {width:50px;text-align:center}
 /* 투표관리 목록 */
 .td_etc {width:80px;text-align:center}
 /* 게시판관리 목록 */