From 3550a23e333024fc20db8572c5acf3bc3c89f5b5 Mon Sep 17 00:00:00 2001
From: Richard Schreiber <schreiber@rami.io>
Date: Mon, 16 Mar 2026 14:44:33 +0100
Subject: [PATCH] Use FileResponse filename for AnswerDownload

---
 src/pretix/presale/views/cart.py | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/pretix/presale/views/cart.py b/src/pretix/presale/views/cart.py
index 892719f67e..6e10d1af3b 100644
--- a/src/pretix/presale/views/cart.py
+++ b/src/pretix/presale/views/cart.py
@@ -841,9 +841,14 @@ class AnswerDownload(EventViewMixin, View):
             return Http404()
 
         ftype, _ = mimetypes.guess_type(answer.file.name)
-        resp = FileResponse(answer.file, content_type=ftype or 'application/binary')
-        resp['Content-Disposition'] = 'attachment; filename="{}-cart-{}"'.format(
+        filename = '{}-cart-{}'.format(
             self.request.event.slug.upper(),
             os.path.basename(answer.file.name).split('.', 1)[1]
         ).encode("ascii", "ignore")
+        resp = FileResponse(
+            answer.file,
+            filename=filename,
+            as_attachment=True,
+            content_type=ftype or 'application/binary'
+        )
         return resp