diff --git a/apps/participation/views.py b/apps/participation/views.py
index 7362839..01257f1 100644
--- a/apps/participation/views.py
+++ b/apps/participation/views.py
@@ -375,7 +375,7 @@ class TeamAuthorizationsView(LoginRequiredMixin, DetailView):
             return super().handle_no_permission()
         if user.registration.is_admin or user.registration.participates 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