diff --git a/src/Controller/EventController.php b/src/Controller/EventController.php
index b933142..e5d7255 100644
--- a/src/Controller/EventController.php
+++ b/src/Controller/EventController.php
@@ -53,7 +53,7 @@ class EventController extends AbstractController
                 return new BinaryFileResponse($src, 200, [
                     'Content-Type' => 'application/octect-stream',
                     'Content-Length' => filesize($src),
-                    'Content-Disposition' => sprintf('attachment; filename="%s"', basename($src)),
+                    'Content-Disposition' => sprintf('attachment; filename="%s_%s"', $snapshot->getDate()->format('Y-m-d'), basename($src)),
                     'Content-Transfer-Encoding' => 'binary',
                 ]);
             }