diff --git a/seminar/views.py b/seminar/views.py
index 0136dfb2..b1bacc48 100644
--- a/seminar/views.py
+++ b/seminar/views.py
@@ -1178,8 +1178,9 @@ class SubmitSolutionView(LoginRequiredMixin, CreateView):
 		with transaction.atomic():
 			self.object = form.save()
 			self.object.resitele.add(Resitel.objects.get(osoba__user = self.request.user))
-			self.object.cas_doruceni = datetime.now() 
+			self.object.cas_doruceni = timezone.now() 
 			self.object.forma = s.Reseni.FORMA_UPLOAD
+			self.object.save()
 			if prilohy.is_valid():
 				prilohy.instance = self.object
 				prilohy.save()