diff --git a/adm/admin.head.php b/adm/admin.head.php
index 579dc48bc..2cd2d23cf 100644
--- a/adm/admin.head.php
+++ b/adm/admin.head.php
@@ -100,13 +100,13 @@ function textarea_size(fld, size)
                 $href2 = '</a>';
             }
             $current_class = "";
-            if (isset($sub_menu) && (substr($sub_menu, 0, 2) == substr($menu['menu'.$key][0][0], 0, 2) || isset($index)))
+            if ((isset($sub_menu) && substr($sub_menu, 0, 2) == substr($menu['menu'.$key][0][0], 0, 2)) || defined('_ADMIN_INDEX_'))
                 $current_class = " gnb_1depth_on";
             echo "<li class=\"gnb_1depth".$current_class."\">";
             echo $href1 . $menu['menu'.$key][0][1] . $href2;
             echo print_menu1('menu'.$key, 1);
             echo "</li>";
-            if (isset($index) && ($current_class || !$index)) $current_class = ""; // 클래스 반복부여 방지
+            if ($current_class || !defined('_ADMIN_INDEX_')) $current_class = ""; // 클래스 반복부여 방지
         }
 
         ?>
diff --git a/adm/index.php b/adm/index.php
index 87010dcad..05e20e0f9 100644
--- a/adm/index.php
+++ b/adm/index.php
@@ -2,7 +2,7 @@
 include_once('./_common.php');
 
 $g4['title'] = '관리자메인';
-$index = 1;
+define('_ADMIN_INDEX_', true);
 include_once ('./admin.head.php');
 
 $new_member_rows = 5;