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 e1c7321..01f1a80 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
@@ -19,6 +19,8 @@
             {% include "agenda_culturel/event-location-inc.html" with event=event %}
         </p>
         {% if event.possibly_duplicated %}
+        {% with poss_dup=event.get_possibly_duplicated|only_allowed:user.is_authenticated %}
+        {% if poss_dup.count > 0 %}
         <p class="remarque">
             {% if event.possibly_duplicated.fixed %}
                     cet événement a été {% if user.is_authenticated %}<a href="{{ event.possibly_duplicated.get_absolute_url }}">importé plusieurs fois</a>{% else %}importé plusieurs fois{% endif %}, 
@@ -32,6 +34,8 @@
             {% endif %}
                 </p>
         {% endif %}
+        {% endwith %}
+        {% endif %}
     </header>
 
     {% if event.has_image_url %}