diff --git a/css/default_shop.css b/css/default_shop.css
index 0e5c81476..16ade7dfb 100644
--- a/css/default_shop.css
+++ b/css/default_shop.css
@@ -114,7 +114,7 @@ a:hover, a:focus, a:active {color:#000;text-decoration:underline}
 .gnb_1da {display:inline-block;padding:0 10px;width:128px;height:33px;border-bottom:1px solid #f4f4f4;font-weight:bold;text-decoration:none;line-height:2.9em !important;line-height:2.7em}
 .gnb_1dli_on .gnb_1da {color:#fff !important;text-decoration:none !important}
 .gnb_2dul {display:none;z-index:1000;position:absolute;border:1px solid #787f89}
-.gnb_1dli_over .gnb_2dul, .gnb_1dli_over2 .gnb_2dul {display:block;top:-1px;left:127px;width:130px;background:#fff}
+.gnb_1dli_over .gnb_2dul, .gnb_1dli_over2 .gnb_2dul {display:block;top:0;left:127px;width:130px;background:#fff}
 .gnb_2da {display:none}
 .gnb_1dli_over .gnb_2da {display:block;padding:0 10px;height:33px;border-bottom:1px solid #e9e9e9;line-height:2.9em !important;line-height:2.6em}
 .gnb_2da:focus, .gnb_2da:hover {background:#f5f6fa;text-decoration:none}
diff --git a/shop/boxcategory.inc.php b/shop/boxcategory.inc.php
index 30589b55c..20634840e 100644
--- a/shop/boxcategory.inc.php
+++ b/shop/boxcategory.inc.php
@@ -15,7 +15,7 @@ if (!defined("_GNUBOARD_")) exit; // 개별 페이지 접근 불가
         {
             $gnb_zindex -= 1; // html 구조에서 앞선 gnb_1dli 에 더 높은 z-index 값 부여
         ?>
-        <li class="gnb_1dli">
+        <li class="gnb_1dli" style="z-index:<?php echo $gnb_zindex; ?>">
             <a href="<?php echo G4_SHOP_URL.'/list.php?ca_id='.$row['ca_id']; ?>" class="gnb_1da"><?php echo $row['ca_name']; ?></a>
             <?php
             // 2단계 분류 판매 가능한 것만