diff --git a/src/main/resources/sql/mapper/menu-mapper.xml b/src/main/resources/sql/mapper/menu-mapper.xml
index 2856c0b..599e194 100644
--- a/src/main/resources/sql/mapper/menu-mapper.xml
+++ b/src/main/resources/sql/mapper/menu-mapper.xml
@@ -31,7 +31,7 @@ SELECT A.*
 <insert id="insertMenu" parameterType="map">/* 메뉴 등록(menuMapper.insertMenu) */
 <selectKey order="BEFORE" resultType="map" keyColumn="NEW_NO,NEW_ORD" keyProperty="menu.id,menu.sortOrder">
 SELECT NEW_NO, NEW_ORD
-  FROM (SELECT IFNULL(MAX(MENU_NO) + 1, 0) NEW_NO FROM TB_MENU) A,
+  FROM (SELECT NVL(MAX(MENU_NO) + 1, 0) NEW_NO FROM TB_MENU) A,
        (<include refid="newSortOrder" />) B</selectKey>
 INSERT INTO TB_MENU (
        MENU_NO
@@ -69,7 +69,7 @@ UPDATE TB_MENU SET
      , IMG_CNF = #{menu.imageConf}
 WHERE MENU_NO = #{menu.id}</update>
 
-<sql id="newSortOrder">SELECT IFNULL(MAX(SRT_ORD) + 1, 0) NEW_ORD FROM TB_MENU WHERE PRNT_NO = IFNULL(#{parentID}, IFNULL(#{menu.parentID}, 0))</sql>
+<sql id="newSortOrder">SELECT NVL(MAX(SRT_ORD) + 1, 0) NEW_ORD FROM TB_MENU WHERE PRNT_NO = NVL(#{parentID}, NVL(#{menu.parentID}, 0))</sql>
 
 <update id="moveMenus" parameterType="map">/* 메뉴 이동(menuMapper.moveMenus) */
 UPDATE TB_MENU SET