diff --git a/src/agenda_culturel/models.py b/src/agenda_culturel/models.py
index 3bcbc7c..5b8e3a5 100644
--- a/src/agenda_culturel/models.py
+++ b/src/agenda_culturel/models.py
@@ -1039,17 +1039,13 @@ class Event(models.Model):
         if self.other_versions is None:
             return []
         else:
-            return Event.objects.filter(
-                other_versions=self.other_versions
-            ).filter(~Q(status=Event.STATUS.TRASH)).exclude(pk=self.pk)
+            return [e for e in self.other_versions.get_duplicated() if e.pk != self.pk and e.status != Event.STATUS.TRASH]
 
     def get_other_versions(self):
         if self.other_versions is None:
             return []
         else:
-            return Event.objects.filter(
-                other_versions=self.other_versions
-            ).exclude(pk=self.pk)
+            return [e for e in self.other_versions.get_duplicated() if e.pk != self.pk]
 
     def masked(self):
         return self.other_versions and self.other_versions.representative != self
diff --git a/src/agenda_culturel/templates/agenda_culturel/page-event.html b/src/agenda_culturel/templates/agenda_culturel/page-event.html
index a00aa57..df687d4 100644
--- a/src/agenda_culturel/templates/agenda_culturel/page-event.html
+++ b/src/agenda_culturel/templates/agenda_culturel/page-event.html
@@ -86,7 +86,7 @@
         </article>
         {% if event.other_versions %}
         {% with poss_dup=event.get_other_versions|only_allowed:user.is_authenticated %}
-        {% if poss_dup.count > 0 %}
+        {% if poss_dup|length > 0 %}
         <article id="liste-dupliques">
             <header>
                 {% if event.other_versions.representative %}
diff --git a/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html b/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html
index 6ac1063..0e73b09 100644
--- a/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html
+++ b/src/agenda_culturel/templates/agenda_culturel/single-event/event-single-inc.html
@@ -20,7 +20,7 @@
         </p>
         {% if event.other_versions %}
         {% with poss_dup=event.get_other_not_trash_versions|only_allowed:user.is_authenticated %}
-        {% if poss_dup.count > 0 %}
+        {% if poss_dup|length > 0 %}
         <p class="remarque">
             {% if event.other_versions.representative %}
                     cet événement existe <a href="{% if user.is_authenticated %}{{ event.other_versions.get_absolute_url }}{% else %}#liste-dupliques{% endif %}">en plusieurs versions</a>, 
diff --git a/src/agenda_culturel/templatetags/event_extra.py b/src/agenda_culturel/templatetags/event_extra.py
index 1cc1221..d2e0a78 100644
--- a/src/agenda_culturel/templatetags/event_extra.py
+++ b/src/agenda_culturel/templatetags/event_extra.py
@@ -150,6 +150,6 @@ def linebreaks2(txt):
 @register.filter
 def only_allowed(elist, is_authenticated):
     if not is_authenticated:
-        return elist.filter(status=Event.STATUS.PUBLISHED)
+        return [e for e in elist if e.status == Event.STATUS.PUBLISHED]
     else:
         return elist
\ No newline at end of file