diff --git a/src/modules/02_organizationalNew/store/organizational.ts b/src/modules/02_organizationalNew/store/organizational.ts
index 096f392ca..bef3684f9 100644
--- a/src/modules/02_organizationalNew/store/organizational.ts
+++ b/src/modules/02_organizationalNew/store/organizational.ts
@@ -76,9 +76,9 @@ export const useOrganizational = defineStore("organizationalStore", () => {
           : "ว่าง",
       posMasterNo:
         e.orgShortname +
-        e.posMasterNoPrefix +
-        e.posMasterNo +
-        e.posMasterNoSuffix,
+        (e.posMasterNoPrefix ? e.posMasterNoPrefix : "") +
+        (e.posMasterNo?e.posMasterNo:"") +
+        (e.posMasterNoSuffix?e.posMasterNoSuffix:""),
       positionName: e.isSit ? e.profilePosition : e.positionName,
       posTypeName: e.isSit ? e.profilePostype : e.posTypeName,
       posLevelName: e.isSit ? e.profilePoslevel : e.posLevelName,
diff --git a/src/modules/16_positionEmployee/store/organizational.ts b/src/modules/16_positionEmployee/store/organizational.ts
index 702078fc0..3db85426f 100644
--- a/src/modules/16_positionEmployee/store/organizational.ts
+++ b/src/modules/16_positionEmployee/store/organizational.ts
@@ -72,9 +72,9 @@ export const usePositionEmp = defineStore("positionEmpStore", () => {
         : "ว่าง",
       posMasterNo:
         e.orgShortname +
-        e.posMasterNoPrefix +
-        e.posMasterNo +
-        e.posMasterNoSuffix,
+        (e.posMasterNoPrefix ? e.posMasterNoPrefix : "") +
+        (e.posMasterNo ? e.posMasterNo : "") +
+        (e.posMasterNoSuffix ? e.posMasterNoSuffix : ""),
       positionName: e.isSit ? e.profilePosition : e.positionName,
       posTypeName: e.isSit ? e.profilePostype : e.posTypeName,
       posLevelName: e.isSit ? e.profilePoslevel : e.posLevelName,