diff --git a/frontend/js/app.js b/frontend/js/app.js
index 965551d..d419f2a 100644
--- a/frontend/js/app.js
+++ b/frontend/js/app.js
@@ -362,8 +362,8 @@ async function chargerBoothInfo() {
   try {
     const info = await apiGet('/api/booth/info');
     if (info.password) {
-      const eventId = booth.event_id || 'default';
-      const qrUrl = `${booth.url}/${eventId}?p=${info.password}`;
+      const eventId = (config.evenement || {}).event_id || booth.event_id || 'default';
+      const qrUrl = `${booth.url}/admin/gallery/${eventId}?p=${info.password}`;
       document.getElementById('booth-qr').src = `/api/qr?url=${encodeURIComponent(qrUrl)}`;
       el.classList.remove('cache');
     }