diff --git a/src/agenda_culturel/templates/agenda_culturel/page-week.html b/src/agenda_culturel/templates/agenda_culturel/page-week.html
index 06b1b00..b336a96 100644
--- a/src/agenda_culturel/templates/agenda_culturel/page-week.html
+++ b/src/agenda_culturel/templates/agenda_culturel/page-week.html
@@ -16,7 +16,7 @@
     <script src="{% static 'js/calendar-buttons.js' %}"></script>
 {% endblock %}
 
-{% block title %}{% block og_title %}Semaine du {{ calendar.calendar_days_list.0.date|date|frdate  }}{% endblock %}{% endblock %}
+{% block title %}{% block og_title %}Semaine du {{ calendar.firstdate|date|frdate }}{% endblock %}{% endblock %}
 
  {% block content %}
 
@@ -32,7 +32,7 @@
             {% if calendar.today_in_calendar %}
             Cette semaine
             {% else %}
-            semaine du {{ calendar.calendar_days_list.0.date |date:"j F"|frdate }}
+            semaine du {{ calendar.firstdate.date |date:"j F"|frdate }}
             {% endif %}</h1></div>
         <div class="navigation">
             <div>