From c7b82fdc97d85574770b6dd549172861323daf12 Mon Sep 17 00:00:00 2001
From: Raphael Michel <michel@pretix.eu>
Date: Fri, 22 May 2026 13:22:04 +0200
Subject: [PATCH] Subevent update: Save SubEvent model before saving plugin
 forms (#6209)

---
 src/pretix/control/views/subevents.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/pretix/control/views/subevents.py b/src/pretix/control/views/subevents.py
index 4d5fbbc0c3..c06be52618 100644
--- a/src/pretix/control/views/subevents.py
+++ b/src/pretix/control/views/subevents.py
@@ -531,6 +531,7 @@ class SubEventUpdate(EventPermissionRequiredMixin, SubEventEditorMixin, UpdateVi
 
     @transaction.atomic
     def form_valid(self, form):
+        self.object = form.save()
         self.save_formset(self.object)
         self.save_cl_formset(self.object)
         self.save_meta()
@@ -569,7 +570,7 @@ class SubEventUpdate(EventPermissionRequiredMixin, SubEventEditorMixin, UpdateVi
             f.subevent = self.object
             f.save()
         tickets.invalidate_cache.apply_async(kwargs={'event': self.request.event.pk})
-        return super().form_valid(form)
+        return HttpResponseRedirect(self.get_success_url())
 
     def get_success_url(self) -> str:
         return reverse('control:event.subevents', kwargs={