diff --git a/apps/participation/views.py b/apps/participation/views.py
index 51670c2..c85a909 100644
--- a/apps/participation/views.py
+++ b/apps/participation/views.py
@@ -573,7 +573,7 @@ class SolutionUploadView(LoginRequiredMixin, FormView):
                                          problem=form_sol.problem,
                                          final_solution=self.participation.final)
 
-        tournament = Tournament.final_tournament() if self.participation.final else self.participation.final
+        tournament = Tournament.final_tournament() if self.participation.final else self.participation.tournament
         if timezone.now() > tournament.solution_limit and sol_qs.exists():
             form.add_error(None, _("You can't upload a solution after the deadline."))
             return self.form_invalid(form)