diff --git a/src/agenda_culturel/templates/agenda_culturel/organisation_detail.html b/src/agenda_culturel/templates/agenda_culturel/organisation_detail.html
index ab02779..d51771e 100644
--- a/src/agenda_culturel/templates/agenda_culturel/organisation_detail.html
+++ b/src/agenda_culturel/templates/agenda_culturel/organisation_detail.html
@@ -65,7 +65,7 @@
       {{ object.description|safe }}
     </header>
     {% with cache_timeout=user.is_authenticated|yesno:"30,600" %}
-      {% cache cache_timeout organisation_list user.is_authenticated object page_obj.number past %}
+      {% cache cache_timeout organisation_list user.is_authenticated object.pk page_obj.number past %}
       <div class="slide-buttons">
         <a href="{% url 'export_ical_organisation' object.pk %}" role="button">S'abonner à l'agenda {% picto_from_name "calendar" %}</a>
         {% if past %}
diff --git a/src/agenda_culturel/templates/agenda_culturel/page-event.html b/src/agenda_culturel/templates/agenda_culturel/page-event.html
index a83cc48..fa97020 100644
--- a/src/agenda_culturel/templates/agenda_culturel/page-event.html
+++ b/src/agenda_culturel/templates/agenda_culturel/page-event.html
@@ -40,7 +40,7 @@
   <div class="grid two-columns">
     <div>
       {% with cache_timeout=user.is_authenticated|yesno:"30,600" %}
-        {% cache cache_timeout event_body user.is_authenticated event %}
+        {% cache cache_timeout event_body user.is_authenticated event.pk %}
         {% include "agenda_culturel/single-event/event-single-inc.html" with event=event filter=filter %}
       {% endcache %}
     {% endwith %}
@@ -130,7 +130,7 @@
     {% endif %}
   </div>
   {% with cache_timeout=user.is_authenticated|yesno:"30,600" %}
-    {% cache cache_timeout event_aside user.is_authenticated event %}
+    {% cache cache_timeout event_aside user.is_authenticated event.pk %}
     <aside>
       {% with event.get_concurrent_events as concurrent_events %}
         {% if concurrent_events %}
diff --git a/src/agenda_culturel/templates/agenda_culturel/place_detail.html b/src/agenda_culturel/templates/agenda_culturel/place_detail.html
index 4d29961..a1286be 100644
--- a/src/agenda_culturel/templates/agenda_culturel/place_detail.html
+++ b/src/agenda_culturel/templates/agenda_culturel/place_detail.html
@@ -94,7 +94,7 @@
       </div>
     </div>
     {% with cache_timeout=user.is_authenticated|yesno:"30,600" %}
-      {% cache cache_timeout place_list user.is_authenticated object page_obj.number past %}
+      {% cache cache_timeout place_list user.is_authenticated object.pk page_obj.number past %}
       <div class="slide-buttons">
         <a href="{% url 'export_ical_place' object.pk %}" role="button">S'abonner à l'agenda {% picto_from_name "calendar" %}</a>
         {% if past %}