diff --git a/src/main/resources/egovframework/sqlmap/let/uss/umt/EgovMberCmpHst_SQL_Mysql.xml b/src/main/resources/egovframework/sqlmap/let/uss/umt/EgovMberCmpHst_SQL_Mysql.xml
index 96a4c4ea..50f29545 100644
--- a/src/main/resources/egovframework/sqlmap/let/uss/umt/EgovMberCmpHst_SQL_Mysql.xml
+++ b/src/main/resources/egovframework/sqlmap/let/uss/umt/EgovMberCmpHst_SQL_Mysql.xml
@@ -100,7 +100,7 @@
 			LETTNGNRLMBER_CMPHST LC
 		LEFT JOIN LETTNGNRLMBER L
 			ON L.MBER_ID = LC.MBER_ID
-		JOIN (SELECT MAX(FRST_REGIST_PNTTM) AS FRST_REGIST_PNTTM
+		JOIN (SELECT DISTINCT MAX(FRST_REGIST_PNTTM) AS FRST_REGIST_PNTTM
 				FROM LETTNGNRLMBER_CMPHST
 				GROUP BY MBER_ID, HST_TYPE) LCM
 			ON LC.FRST_REGIST_PNTTM = LCM.FRST_REGIST_PNTTM