diff --git a/seminar/views/views_all.py b/seminar/views/views_all.py
index e35742c7..8e71fed3 100644
--- a/seminar/views/views_all.py
+++ b/seminar/views/views_all.py
@@ -535,7 +535,9 @@ class PosledniCisloVysledkovkaView(generic.DetailView):
 	def get_context_data(self, **kwargs):
 		context = super(PosledniCisloVysledkovkaView, self).get_context_data()
 		rocnik = context['rocnik']
-		cislo = rocnik.cisla.order_by("poradi").last()
+		cislo = rocnik.cisla.order_by("poradi").filter(deadline_v_cisle__isnull=False).last()
+		if cislo is None:
+			raise Http404(f"Ročník {rocnik.rocnik} nemá číslo s deadlinem.")
 		cislopred = cislo.predchozi()
 		context['vysledkovka'] = VysledkovkaDoTeXu(
 			cislo,