diff --git a/seminar/testutils.py b/seminar/testutils.py
index 1068d9f1..5977128c 100644
--- a/seminar/testutils.py
+++ b/seminar/testutils.py
@@ -1,6 +1,7 @@
 # -*- coding: utf-8 -*-
 
 import datetime
+from pytz import timezone
 import random
 import lorem
 import django.contrib.auth
@@ -121,9 +122,18 @@ def gen_organizatori(rnd, osoby, last_rocnik, users):
 		rand = rnd.randint(0, 8)
 		if (rand % 8 == 0):
 			pusobnost = rnd.randint(1, last_rocnik)
-			od = datetime.date(1993 + pusobnost, rnd.randint(1, 12), rnd.randint(1, 28))
-			do = datetime.date(od.year + rnd.randint(1, 6), rnd.randint(1, 12), 
-				rnd.randint(1, 28))
+			od = datetime.datetime(
+				year=1993 + pusobnost,
+				month=rnd.randint(1, 12),
+				day=rnd.randint(1, 28),
+				tzinfo=timezone('CET'),
+				)
+			do = datetime.datetime(
+				year=od.year + rnd.randint(1, 6),
+				month=rnd.randint(1, 12),
+				day=rnd.randint(1, 28),
+				tzinfo=timezone('CET'),
+				)
 			#aktualni organizatori jeste nemaji vyplnene organizuje_do
 			if do.year > datetime.datetime.now().year:
 				do = None