diff --git a/src/controllers/customer-controller.ts b/src/controllers/customer-controller.ts
index 028e812..51eb4e4 100644
--- a/src/controllers/customer-controller.ts
+++ b/src/controllers/customer-controller.ts
@@ -34,7 +34,7 @@ export type CustomerCreate = {
 
 export type CustomerUpdate = {
   status?: "ACTIVE" | "INACTIVE";
-  customerType: CustomerType;
+  customerType?: CustomerType;
   customerName?: string;
   customerNameEN?: string;
 };