diff --git a/src/agenda_culturel/calendar.py b/src/agenda_culturel/calendar.py
index cd220b5..0727377 100644
--- a/src/agenda_culturel/calendar.py
+++ b/src/agenda_culturel/calendar.py
@@ -5,6 +5,10 @@ from django.utils import timezone
 from django.utils.translation import gettext_lazy as _
 from django.template.defaultfilters import date as _date
 
+from django.db.models import CharField
+from django.db.models.functions import Lower
+
+CharField.register_lookup(Lower)
 
 import logging
 
@@ -238,7 +242,7 @@ class CalendarList:
             Q(other_versions__isnull=True) |
             Q(other_versions__representative=F('pk')) |
             Q(other_versions__representative__isnull=True)
-        ).order_by("start_time", "title").prefetch_related("exact_location").prefetch_related("category").prefetch_related("other_versions")
+        ).order_by("start_time", "title__unaccent__lower").prefetch_related("exact_location").prefetch_related("category").prefetch_related("other_versions")
 
         firstdate = datetime.fromordinal(self.c_firstdate.toordinal())
         if firstdate.tzinfo is None or firstdate.tzinfo.utcoffset(firstdate) is None: