diff --git a/seminar/templatetags/utils.py b/seminar/templatetags/utils.py
index 2a520d6a..4d5de06d 100644
--- a/seminar/templatetags/utils.py
+++ b/seminar/templatetags/utils.py
@@ -18,7 +18,7 @@ def kratke_datum(dt):
 	naive_now = datetime.now()
 	tz = timezone(TIME_ZONE)
 	now = tz.localize(naive_now)
-	delta = dt - now
+	delta = now - dt
 	if delta <= timedelta(days=1):
 		return dt.strftime("%k:%M")
 	if delta <= timedelta(years=1):