diff --git a/stages/static/js/attribution.js b/stages/static/js/attribution.js
index 28d18cf..f9625e7 100644
--- a/stages/static/js/attribution.js
+++ b/stages/static/js/attribution.js
@@ -203,8 +203,10 @@ $(document).ready(function() {
     );
   });
 
-  $('input#export').click(function() {
-    $('form#list_export').attr('action', '/stages/export/?filter=' + $('#period_select').val()).submit();
+  $('input#export').click(function(ev) {
+    ev.preventDefault();
+    $('form#list_export').find('input#filter').val($('#period_select').val());
+    $('form#list_export').submit();
   });
 
   update_periods($('#section_select').val());
diff --git a/templates/attribution.html b/templates/attribution.html
index 7fe01cd..f615524 100644
--- a/templates/attribution.html
+++ b/templates/attribution.html
@@ -94,7 +94,8 @@
   <h3>Stages planifiés pour la période choisie</h3>
   <ul id="training_list">-
   </ul>
-  <form id="list_export" method="get" action=".">{% csrf_token %}
+  <form id="list_export" method="get" action="{% url 'stages_export' %}">{% csrf_token %}
+    <input id="filter" name="filter" type="hidden" value="">
     <input id="export" type="button" value="Exporter la liste">
   </form>
 </div>