diff --git a/symposion/templates/schedule/_slot_edit.html b/symposion/templates/schedule/_slot_edit.html
index d8b5ae9ea509bea85bf87b8a1d0b24dc6213c63b..385ff89f98cf20c42914ea3437d0c5f4d7f3793e 100644
--- a/symposion/templates/schedule/_slot_edit.html
+++ b/symposion/templates/schedule/_slot_edit.html
@@ -1,5 +1,6 @@
+{% load url from future %}
 {% load i18n bootstrap_tags %}
-<form id="slotEditForm" class="modal-form" method="POST" action="{% url schedule_slot_edit slug slot.pk %}">
+<form id="slotEditForm" class="modal-form" method="POST" action="{% url 'schedule_slot_edit' slug slot.pk %}">
     <div class="modal-header">
         <a class="close" data-dismiss="modal">&times;</a>
         <h3>{% trans "Edit Slot" %}</h3>