diff --git a/models/calendars.py b/models/calendars.py
index 67675d4..d4e8721 100644
--- a/models/calendars.py
+++ b/models/calendars.py
@@ -129,6 +129,7 @@ class CalendarEntry(Base):
         cascade="all, delete-orphan",
         passive_deletes=True,
         order_by="TicketType.name",
+        lazy="selectin",
     )
 
 DAY_LABELS = [