diff --git a/frontend/src/routes/DocumentList.svelte b/frontend/src/routes/DocumentList.svelte
index 825136b2..76f8195a 100644
--- a/frontend/src/routes/DocumentList.svelte
+++ b/frontend/src/routes/DocumentList.svelte
@@ -32,7 +32,7 @@ const groups = $derived.by(() => {
 function groupByYear(docItems: DocumentSearchItem[]) {
 	const map = new SvelteMap<string, DocumentSearchItem[]>();
 	for (const item of docItems) {
-		const label = item.document.documentDate?.substring(0, 4) ?? 'Ohne Datum';
+		const label = item.document.documentDate?.substring(0, 4) ?? m.docs_group_undated();
 		const bucket = map.get(label);
 		if (bucket) bucket.push(item);
 		else map.set(label, [item]);
diff --git a/frontend/src/routes/DocumentList.svelte.spec.ts b/frontend/src/routes/DocumentList.svelte.spec.ts
index 9aba3bb6..4633d457 100644
--- a/frontend/src/routes/DocumentList.svelte.spec.ts
+++ b/frontend/src/routes/DocumentList.svelte.spec.ts
@@ -84,12 +84,12 @@ describe('DocumentList – year grouping', () => {
 		await expect.element(groupCards.nth(1)).toBeInTheDocument();
 	});
 
-	it('uses Ohne Datum for items with no documentDate', async () => {
+	it('uses undated label for items with no documentDate', async () => {
 		const items = [
 			makeItem({ document: { ...makeItem().document, id: '1', documentDate: undefined } })
 		];
 		render(DocumentList, { ...baseProps, items, total: 1 });
-		await expect.element(page.getByText('Ohne Datum')).toBeInTheDocument();
+		await expect.element(page.getByText('Undatiert')).toBeInTheDocument();
 	});
 
 	it('single year renders one group-card', async () => {