diff --git a/src/controllers/employee-controller.ts b/src/controllers/employee-controller.ts
index eacba8d..3863413 100644
--- a/src/controllers/employee-controller.ts
+++ b/src/controllers/employee-controller.ts
@@ -582,7 +582,11 @@ export class EmployeeController extends Controller {
     const record = await prisma.$transaction(async (tx) => {
       let code: string | undefined;
 
-      if (customerBranch && customerBranch.id !== employee.customerBranchId) {
+      if (
+        customerBranchId !== undefined &&
+        customerBranch &&
+        customerBranch.id !== employee.customerBranchId
+      ) {
         const last = await tx.runningNo.upsert({
           where: {
             key: `EMPLOYEE_${customerBranch.customer.code}-${customerBranch.branchNo.toString().padStart(2, "0")}-${new Date().getFullYear().toString().slice(-2).padStart(2, "0")}`,