diff --git a/aleksis/apps/alsijil/templatetags/time_helpers.py b/aleksis/apps/alsijil/templatetags/time_helpers.py
index f2f16aabf9c2e9ce3a1d4ef0306cfd43eb7f2bdb..00aedad7fee98b2b0d303f63f927fbe722317651 100644
--- a/aleksis/apps/alsijil/templatetags/time_helpers.py
+++ b/aleksis/apps/alsijil/templatetags/time_helpers.py
@@ -8,7 +8,7 @@ register = template.Library()
 @register.filter("to_time")
 def get_time_from_minutes(minutes: int) -> datetime.timedelta:
     """Get a time object from a number of minutes."""
-    delta = datetime.timedelta(minutes=minutes)
+    delta = datetime.timedelta(minutes=(minutes or 0))
     time_obj = (datetime.datetime.min + delta).time()
 
     return time_obj