diff --git a/src/controllers/customer-controller.ts b/src/controllers/customer-controller.ts
index 03ce278..028e812 100644
--- a/src/controllers/customer-controller.ts
+++ b/src/controllers/customer-controller.ts
@@ -1,4 +1,4 @@
-import { Prisma, Status } from "@prisma/client";
+import { CustomerType, Prisma, Status } from "@prisma/client";
 import {
   Body,
   Controller,
@@ -27,14 +27,14 @@ const MINIO_BUCKET = process.env.MINIO_BUCKET;
 
 export type CustomerCreate = {
   status?: Status;
-  customerType: string;
+  customerType: CustomerType;
   customerName: string;
   customerNameEN: string;
 };
 
 export type CustomerUpdate = {
   status?: "ACTIVE" | "INACTIVE";
-  customerType?: string;
+  customerType: CustomerType;
   customerName?: string;
   customerNameEN?: string;
 };