diff --git a/src/app/dao/ProductDAO.ts b/src/app/dao/ProductDAO.ts
index e82ef44..0237445 100644
--- a/src/app/dao/ProductDAO.ts
+++ b/src/app/dao/ProductDAO.ts
@@ -11,11 +11,11 @@ export class ProductDAO extends BaseDAO<Product, DBProduct, DBProduct> {
     super(Product.name);
   }
 
-  protected override toDB(model: Product): DBProduct {
-    return new Product(model.barcode, model.name, model.image, model.id);
+  protected override toDB(model: Product) {
+    return new DBProduct(model.barcode, model.name, model.image, model.id);
   }
 
-  protected override fromDB(qR: DBProduct): Product {
-    return new DBProduct(qR.barcode, qR.name, qR.image, qR.id);
+  protected override fromDB(qR: DBProduct) {
+    return new Product(qR.barcode, qR.name, qR.image, qR.id);
   }
 }