diff --git a/apps/participation/views.py b/apps/participation/views.py
index e82df54..7ba66fe 100644
--- a/apps/participation/views.py
+++ b/apps/participation/views.py
@@ -292,7 +292,7 @@ class TeamUpdateView(LoginRequiredMixin, UpdateView):
         if user.registration.is_admin or user.registration.participates and \
                 user.registration.team and user.registration.team.pk == kwargs["pk"] \
                 or user.registration.is_volunteer \
-                and self.object.participation.tournament in user.registration.interesting_tournaments:
+                and self.get_object().participation.tournament in user.registration.interesting_tournaments:
             return super().dispatch(request, *args, **kwargs)
         raise PermissionDenied