diff --git a/src/main/resources/egovframework/mapper/nlib/cmm/MainDAO_SQL.xml b/src/main/resources/egovframework/mapper/nlib/cmm/MainDAO_SQL.xml
index e395bb2f..2614f893 100644
--- a/src/main/resources/egovframework/mapper/nlib/cmm/MainDAO_SQL.xml
+++ b/src/main/resources/egovframework/mapper/nlib/cmm/MainDAO_SQL.xml
@@ -226,7 +226,7 @@
 				, CONCAT(CTE.TREE_SORT , lpad(P.SORT_SEQ,3,'0')) TREE_SORT
 			FROM SM_DEPT P
 			INNER JOIN SM_DEPT_CTE CTE ON P.UP_DEPT_SEQ = CTE.ID
-			WHERE CTE.LEVEL <![CDATA[<=]]> 3 AND P.DOMAIN_USE_YN = 'Y' AND (P.DOMAIN_HOST_NM != NULL AND P.DOMAIN_HOST_NM != '')
+			WHERE CTE.LEVEL <![CDATA[<=]]> 3 AND P.DOMAIN_USE_YN = 'Y' AND (P.DOMAIN_HOST_NM IS NOT NULL AND P.DOMAIN_HOST_NM != '')
 		)
 		SELECT
 			C.*