diff --git a/client/src/components/Planner/PlaceInspector.test.tsx b/client/src/components/Planner/PlaceInspector.test.tsx
index c02cfa664..194b786f7 100644
--- a/client/src/components/Planner/PlaceInspector.test.tsx
+++ b/client/src/components/Planner/PlaceInspector.test.tsx
@@ -689,6 +689,12 @@ describe('PlaceInspector', () => {
   });
 
   it('FE-PLANNER-INSPECTOR-2472: the own e-mail and hours show, the hours ahead of looked-up ones', async () => {
+    // The collapsed row shows today's hours, so on a Sunday it reads "Closed"
+    // and the button below is not found. Pin a Monday; only Date is faked so
+    // userEvent's timers keep running.
+    vi.useFakeTimers({ toFake: ['Date'] });
+    vi.setSystemTime(new Date('2026-09-28T10:00:00'));
+    onTestFinished(() => { vi.useRealTimers(); });
     const user = userEvent.setup();
     const week = JSON.stringify(Array.from({ length: 7 }, (_, i) => (i === 6 ? { closed: true } : { closed: false, open: '08:00', close: '12:00' })));
     const p = buildPlace({ id: 302, email: 'hi@bakery.test', opening_hours: week } as any);