diff --git a/apps/web/lib/product-store-persistence-source.test.ts b/apps/web/lib/product-store-persistence-source.test.ts
new file mode 100644
index 0000000..4223b4c
--- /dev/null
+++ b/apps/web/lib/product-store-persistence-source.test.ts
@@ -0,0 +1,13 @@
+import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
+import { join } from 'node:path';
+import test from 'node:test';
+
+test('product store save helper does not swallow AppData save failures', () => {
+  const source = readFileSync(join(process.cwd(), 'stores/useProductStore.ts'), 'utf8');
+
+  assert.match(
+    source,
+    /async function saveStoredOverview\(data: ProductOverview\[\]\) \{\s+await saveServerData\('products-overview', data\);\s+\}/,
+  );
+});
diff --git a/apps/web/stores/useProductStore.ts b/apps/web/stores/useProductStore.ts
index fc2f086..3a2c075 100644
--- a/apps/web/stores/useProductStore.ts
+++ b/apps/web/stores/useProductStore.ts
@@ -110,7 +110,7 @@ export const useProductStore = create<ProductState>((set, get) => ({
       const overview = await api.get<ProductOverview[]>('/products/overview');
       set({ overview, loading: false, overviewLoaded: true });
       if (shouldPersistRemoteOverview(overview)) {
-        saveStoredOverview(overview);
+        void saveStoredOverview(overview).catch(() => {});
       }
     } catch {
       set({ overview: MOCK_OVERVIEW, error: null, loading: false, overviewLoaded: true });
@@ -328,7 +328,7 @@ export const useProductStore = create<ProductState>((set, get) => ({
 }));
 
 async function saveStoredOverview(data: ProductOverview[]) {
-  await saveServerData('products-overview', data).catch(() => {});
+  await saveServerData('products-overview', data);
 }
 
 async function loadStoredOverview(): Promise<ProductOverview[] | null> {