diff --git a/src/main/resources/sql/mapper/file-mapper.xml b/src/main/resources/sql/mapper/file-mapper.xml
index 55ecb7c..344379d 100644
--- a/src/main/resources/sql/mapper/file-mapper.xml
+++ b/src/main/resources/sql/mapper/file-mapper.xml
@@ -22,13 +22,13 @@
 <sql id="fileDirs">SELECT INF_TYPE
      , CONCAT('files/', DIR, DATE_FORMAT(CURRENT_DATE, '/%Y/%m/%d/')) DIR
   FROM (
-	   SELECT '010' INF_TYPE, 'interface/attachment/smg' DIR UNION       <!-- 국민 신문고 -->
-	   SELECT '020' INF_TYPE, 'interface/attachment/saeol' DIR UNION     <!-- 세올 -->
-	   SELECT '030' INF_TYPE, 'interface/attachment/epost' DIR UNION     <!-- epost -->
+	   SELECT '010' INF_TYPE, 'interface/attachment/smg' DIR FROM DUAL UNION       <!-- 국민 신문고 -->
+	   SELECT '020' INF_TYPE, 'interface/attachment/saeol' DIR FROM DUAL UNION     <!-- 세올 -->
+	   SELECT '030' INF_TYPE, 'interface/attachment/epost' DIR FROM DUAL UNION     <!-- epost -->
 
-	   SELECT '100' INF_TYPE, 'attachment/violation' DIR UNION <!-- 단속 정보 -->
-	   SELECT '110' INF_TYPE, 'attachment/opinion' DIR UNION   <!-- 의견 진술 -->
-	   SELECT '190' INF_TYPE, 'attachment/capture' DIR         <!-- 캡쳐용 동영상 -->
+	   SELECT '100' INF_TYPE, 'attachment/violation' DIR FROM DUAL UNION <!-- 단속 정보 -->
+	   SELECT '110' INF_TYPE, 'attachment/opinion' DIR FROM DUAL UNION   <!-- 의견 진술 -->
+	   SELECT '190' INF_TYPE, 'attachment/capture' DIR FROM DUAL         <!-- 캡쳐용 동영상 -->
        ) FILE_DIRS</sql>
 
 <sql id="selectFiles">