diff --git a/bbs/list.php b/bbs/list.php
index 6a0877866..0a80c3ec0 100644
--- a/bbs/list.php
+++ b/bbs/list.php
@@ -64,9 +64,9 @@ if ($is_member && ($is_admin == 'super' || $group['gr_admin'] == $member['mb_id'
 // 정렬에 사용하는 QUERY_STRING
 $qstr2 = 'bo_table='.$bo_table.'&sop='.$sop;
 
-if ($board['bo_gallery_cols']) {
-    $td_width = (int)(100 / $board['bo_gallery_cols']);
-}
+// 0 으로 나눌시 오류를 방지하기 위하여 값이 없으면 1 로 설정
+$bo_gallery_cols = $board['bo_gallery_cols'] ? $board['bo_gallery_cols'] : 1;
+$td_width = (int)(100 / $bo_gallery_cols);
 
 // 정렬
 // 인덱스 필드가 아니면 정렬에 사용하지 않음
diff --git a/skin/board/gallery/list.skin.php b/skin/board/gallery/list.skin.php
index 17f426c57..f15321fc9 100644
--- a/skin/board/gallery/list.skin.php
+++ b/skin/board/gallery/list.skin.php
@@ -46,13 +46,13 @@ include_once(G4_LIB_PATH.'/thumbnail.lib.php');
 
     <ul id="bo_img_list">
         <? for ($i=0; $i<count($list); $i++) {
-            if($i>0 && ($i % $board['bo_gallery_cols'] == 0))
+            if($i>0 && ($i % $bo_gallery_cols == 0))
                 $style = 'clear:both;';
             else
                 $style = '';
             if ($i == 0) $k = 0;
             $k += 1;
-            if ($k % $board['bo_gallery_cols'] == 0) $style .= "margin:0 !important;";
+            if ($k % $bo_gallery_cols == 0) $style .= "margin:0 !important;";
         ?>
         <li class="bo_img_list_li <? if ($wr_id == $list[$i]['wr_id']) { ?>bo_img_now<? } ?>" style="<?=$style?>">
             <? if ($is_checkbox) { ?><input type="checkbox" name="chk_wr_id[]" value="<?=$list[$i]['wr_id']?>" title="<?=$list[$i]['wr_subject']?> 선택"><? } ?>