diff --git a/src/main/java/com/eactive/eai/rms/onl/apim/portaluser/PortalUserManService.java b/src/main/java/com/eactive/eai/rms/onl/apim/portaluser/PortalUserManService.java
index c3f4cdb..028a040 100644
--- a/src/main/java/com/eactive/eai/rms/onl/apim/portaluser/PortalUserManService.java
+++ b/src/main/java/com/eactive/eai/rms/onl/apim/portaluser/PortalUserManService.java
@@ -156,6 +156,11 @@ public class PortalUserManService extends BaseService {
 		if (StringUtils.isNotBlank(portalUserUI.getOrgId())) {
 			PortalOrg portalOrg = portalOrgService.getById(portalUserUI.getOrgId());
 			portalUser.setPortalOrg(portalOrg);
+		} else {
+			// 개인사용자이면서 법인을 "없음"으로 선택한 경우 ORG_ID 삭제
+			if (portalUserUI.getRoleCode() == PortalUserEnums.RoleCode.ROLE_USER) {
+				portalUser.setPortalOrg(null);
+			}
 		}
 
 		portalUserService.save(portalUser);