diff --git a/frontend/src/lib/components/ThumbnailRow.svelte.spec.ts b/frontend/src/lib/components/ThumbnailRow.svelte.spec.ts
index ae0542e1..9c41fc65 100644
--- a/frontend/src/lib/components/ThumbnailRow.svelte.spec.ts
+++ b/frontend/src/lib/components/ThumbnailRow.svelte.spec.ts
@@ -104,6 +104,20 @@ describe('ThumbnailRow', () => {
 		expect(document.body.textContent).toContain('vor 76 Jahren');
 	});
 
+	it('hides the relative-year label when documentDate is in the future', () => {
+		// relativeYearsDe returns "" for future/invalid dates; the row must not
+		// then render an empty chip or print "vor 0 Jahren".
+		render(ThumbnailRow, {
+			doc: { ...baseDoc, documentDate: '2030-01-01' },
+			isOut: true,
+			showOtherParty: false,
+			now: new Date('2026-06-01T00:00:00Z')
+		});
+
+		expect(document.body.textContent).not.toMatch(/vor \d+ Jahr/);
+		expect(document.body.textContent).not.toMatch(/vor weniger/);
+	});
+
 	it('sets border-l class based on isOut', () => {
 		const { unmount } = render(ThumbnailRow, {
 			doc: baseDoc,