diff --git a/event/static/js/calendar.js b/event/static/js/calendar.js
index 0f30b7f..2396615 100644
--- a/event/static/js/calendar.js
+++ b/event/static/js/calendar.js
@@ -33,6 +33,9 @@ class Calendar {
 
     this.events = [];
 
+    this.eventDetailURLFormat = calendarParameters.eventDetailURLFormat !== undefined
+                              ? calendarParameters.eventDetailURLFormat
+                              : "";
     this.subscriptionURLFormat = calendarParameters.subscriptionURLFormat !== undefined
                             ? calendarParameters.subscriptionURLFormat
                             : "";
@@ -703,8 +706,12 @@ class EventDetails {
   }
 
   createAndAppendTitle () {
+    let eventDetailURL = this.event.calendar.eventDetailURLFormat
+      .replace("999999", this.event.id);
+
     let linkToEventPageNode = $("<a>")
-      .attr("href", "TODO") // TODO
+      .attr("href", eventDetailURL)
+      .attr("target", "_blank")
       .addClass("cal-detail-name")
       .appendTo(this.node);
 
diff --git a/event/templates/event/calendar.html b/event/templates/event/calendar.html
index db2dd26..86a925c 100644
--- a/event/templates/event/calendar.html
+++ b/event/templates/event/calendar.html
@@ -15,6 +15,7 @@
         let cal = new Calendar({
           startDate: new Date(2018, 10, 30, 8),
           endDate: new Date(2018, 11, 2, 6),
+          eventDetailURLFormat: "https://cof.ens.fr/poulpe/event/activity/999999",
           subscriptionURLFormat: "{% url "event:enrol_activity" 999999 %}?ajax=json",
           csrfToken: $(".planning [name=csrfmiddlewaretoken]").val()
         });