diff --git a/www/conservancy/static/supporter/event.html b/www/conservancy/static/supporter/event.html
index 08318140a703af78032ad445abd65eb651f1b03b..a9c4c9fe98be064128959082f097620be103abbb 100644
--- a/www/conservancy/static/supporter/event.html
+++ b/www/conservancy/static/supporter/event.html
@@ -88,6 +88,9 @@
             <input type="hidden" name="item_name" value="Conservancy Supporter Night, FOSDEM 2015" />
             <input id="no_shipping" type="hidden" name="no_shipping" value="0" />
             <input type="hidden" name="return" value="https://sfconservancy.org/supporter/thank-you-event.html" />
+  <input type="hidden" name="add" value="1"/>
+  <label for="amount"><strong>Number of Tickets:</strong></label>
+  <input name="quantity" value="1"/>
   <label for="amount"><strong>Amount:</strong> $</label>
   <input id="amount" type="text" name="amount" size="7" minimum="40" value="40" />
   <span id="error" class="form-error-show">$40 is a minimum donation to