diff --git a/src/types/api/purchase/purchase.d.ts b/src/types/api/purchase/purchase.d.ts
index 2f69c543..4e717f15 100644
--- a/src/types/api/purchase/purchase.d.ts
+++ b/src/types/api/purchase/purchase.d.ts
@@ -43,10 +43,10 @@ export type PurchaseItem = {
   received_qty?: number | null;
   transport_per_item?: number | null;
   expedition_vendor?: {
-    id: number;
-    name: string;
-    alias: string;
-    category: string;
+    id?: number;
+    name?: string;
+    alias?: string;
+    category?: string;
   } | null;
 };