diff --git a/symposion/templates/schedule/_grid.html b/symposion/templates/schedule/_grid.html
index be62d912629d8be27c9a5eb149363f29eff7de0c..71f984483dfb8b0eb1e4bce5ab8cd57a3cd7c5b1 100644
--- a/symposion/templates/schedule/_grid.html
+++ b/symposion/templates/schedule/_grid.html
@@ -1,3 +1,4 @@
+{% load url from future %}
 <table class="calendar table table-bordered">
     <thead>
         <tr>
@@ -17,7 +18,7 @@
                             {% if not slot.content %}
                             {% else %}
                                 <span class="title">
-                                    <a href="{% url schedule_presentation_detail slot.content.pk %}">{{ slot.content.title }}</a>
+                                    <a href="{% url 'schedule_presentation_detail' slot.content.pk %}">{{ slot.content.title }}</a>
                                 </span>
                                 <span class="speaker">
                                     {{ slot.content.speakers|join:", " }}