diff --git a/src/controllers/05-quotation-controller.ts b/src/controllers/05-quotation-controller.ts
index 01b66fa..6235b5c 100644
--- a/src/controllers/05-quotation-controller.ts
+++ b/src/controllers/05-quotation-controller.ts
@@ -631,7 +631,11 @@ export class QuotationController extends Controller {
     }
 
     await permissionCheckCompany(req.user, record.customerBranch.customer.registeredBranch);
-    if (customerBranch && record.customerBranchId !== body.customerBranchId) {
+    if (
+      customerBranch &&
+      body.customerBranchId &&
+      record.customerBranchId !== body.customerBranchId
+    ) {
       await permissionCheckCompany(req.user, customerBranch.customer.registeredBranch);
     }