diff --git a/src/main/resources/sql/mapper/fims/epst/epostRcptReg-mapper.xml b/src/main/resources/sql/mapper/fims/epst/epostRcptReg-mapper.xml
index 359c5d5d..82b2cf96 100644
--- a/src/main/resources/sql/mapper/fims/epst/epostRcptReg-mapper.xml
+++ b/src/main/resources/sql/mapper/fims/epst/epostRcptReg-mapper.xml
@@ -690,8 +690,10 @@ UPDATE TB_EPOST_RCPT_DTL SET
              , SI.SGG_CD                                                                                        <!-- 시군구 코드 -->
              , SI.SGG_NM                                                                                        <!-- 시군구 명 -->
              , CASE WHEN SI.INST_SE_CD = '01' THEN CONCAT(SI.SGG_NM,'장')
-                    WHEN SI.INST_SE_CD = '02' THEN CONCAT(SI.SGG_NM,'장')
-                    WHEN SI.INST_SE_CD = '03' THEN CONCAT(SI.SGG_NM,'장')
+                    WHEN SI.INST_SE_CD = '02' THEN CONCAT(SI.SGG_NM,'청장')
+                    WHEN SI.INST_SE_CD = '03' THEN CONCAT(SI.SGG_NM,'수')
+                    WHEN SI.INST_SE_CD = '04' THEN CONCAT(SI.SGG_NM,'지사')
+                    WHEN SI.INST_SE_CD = '05' THEN CONCAT(SI.SGG_NM,'장')
                     ELSE SI.SGG_NM
                 END                                                                     AS INST_CHIEF_NM        <!-- 기관 장 명 -->
              , SI.INST_SE_CD                                                                                    <!-- 기관 구분 코드 -->