diff --git a/src/agenda_culturel/calendar.py b/src/agenda_culturel/calendar.py
index 322a80c..0485dcb 100644
--- a/src/agenda_culturel/calendar.py
+++ b/src/agenda_culturel/calendar.py
@@ -161,7 +161,7 @@ class CalendarList:
                     | Q(recurrence_dtend__lt=startdatetime)
                 )
             )
-        ).order_by("start_time")
+        ).order_by("start_time").prefetch_related("exact_location").prefetch_related("category")
 
         firstdate = datetime.fromordinal(self.c_firstdate.toordinal())
         if firstdate.tzinfo is None or firstdate.tzinfo.utcoffset(firstdate) is None: