Don't allow adding of signup responses for canceled registrations

1 files changed, 1 insertions, 1 deletions

diff --git a/postgresqleu/confwiki/forms.py b/postgresqleu/confwiki/forms.py
index 6fb18630..b3bdeb00 100644
--- a/postgresqleu/confwiki/forms.py
+++ b/postgresqleu/confwiki/forms.py
@@ -112,7 +112,7 @@ class SignupAdminEditSignupForm(ConcurrentProtectedModelForm):
 
         if self.isnew:
             self.fields['attendee'].queryset = ConferenceRegistration.objects.filter(conference=signup.conference).filter(
-                Q(user_attendees=signup) | Q(regtype__user_regtypes=signup)).exclude(attendeesignup__signup=signup).distinct()
+                Q(user_attendees=signup) | Q(regtype__user_regtypes=signup)).exclude(canceledat__isnull=False).exclude(attendeesignup__signup=signup).distinct()
         else:
             del self.fields['attendee']
             self.update_protected_fields()