diff --git a/demo/demo.ts b/demo/demo.ts
index a11f3bd..d734dbd 100644
--- a/demo/demo.ts
+++ b/demo/demo.ts
@@ -197,6 +197,7 @@ setupForm("#pedido", async () => {
       UnitPrice: precio.Price,
       Quantity: 1,
       ProductCode: producto.SKUCode,
+      SKUCode: producto.SKUCode,
     })),
     Customer: {
       CustomerID: 1,
diff --git a/order.ts b/order.ts
index 5af037e..d99230e 100644
--- a/order.ts
+++ b/order.ts
@@ -59,7 +59,7 @@ export interface CustomerDto {
 }
 export interface OrderItemDto {
   ProductCode: string;
-  SKUCode?: null | string;
+  SKUCode: string;
   VariantCode?: null | string;
   Description: string;
   VariantDescription?: null | string;