1 files changed, 5 insertions, 6 deletions
diff --git a/packages/merchant-backoffice-ui/src/components/product/ProductList.tsx b/packages/merchant-backoffice-ui/src/components/product/ProductList.tsx
index 25751dd96..4fff66fd7 100644
--- a/packages/merchant-backoffice-ui/src/components/product/ProductList.tsx
+++ b/packages/merchant-backoffice-ui/src/components/product/ProductList.tsx
@@ -1,6 +1,6 @@
 /*
  This file is part of GNU Taler
- (C) 2021-2023 Taler Systems S.A.
+ (C) 2021-2024 Taler Systems S.A.
 
  GNU Taler is free software; you can redistribute it and/or modify it under the
  terms of the GNU General Public License as published by the Free Software
@@ -13,18 +13,17 @@
  You should have received a copy of the GNU General Public License along with
  GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
  */
-import { Amounts } from "@gnu-taler/taler-util";
+import { Amounts, TalerMerchantApi } from "@gnu-taler/taler-util";
 import { h, VNode } from "preact";
 import emptyImage from "../../assets/empty.png";
 import { useTranslationContext } from "@gnu-taler/web-util/browser";
-import { MerchantBackend } from "../../declaration.js";
 
 interface Props {
-  list: MerchantBackend.Product[];
+  list: TalerMerchantApi.Product[];
   actions?: {
     name: string;
     tooltip: string;
-    handler: (d: MerchantBackend.Product, index: number) => void;
+    handler: (d: TalerMerchantApi.Product, index: number) => void;
   }[];
 }
 export function ProductList({ list, actions = [] }: Props): VNode {
@@ -60,7 +59,7 @@ export function ProductList({ list, actions = [] }: Props): VNode {
               : Amounts.stringify(
                   Amounts.mult(
                     Amounts.parseOrThrow(entry.price),
-                    entry.quantity,
+                    entry.quantity ?? 0
                   ).amount,
                 );