--- a/calendar/prototypes/wcap/sun-calendar-event-dialog-attendees.xul
+++ b/calendar/prototypes/wcap/sun-calendar-event-dialog-attendees.xul
@@ -54,16 +54,17 @@
         persist="screenX screenY"
         style="padding-top: 8px; padding-bottom: 10px; -moz-padding-start: 8px; -moz-padding-end: 10px;"
         xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
 
   <!-- Javascript includes -->
   <script type="application/javascript" src="chrome://calendar/content/sun-calendar-event-dialog-attendees.js"/>
   <script type="application/javascript" src="chrome://calendar/content/calendar-dialog-utils.js"/>
   <script type="application/javascript" src="chrome://calendar/content/calUtils.js"/>
+  <script type="application/javascript" src="chrome://calendar/content/calendar-statusbar.js"/>
 
   <box orient="vertical" flex="1">
     <box orient="horizontal" align="center" pack="end">
       <spacer flex="1"/>
       <label value="&event.freebusy.suggest.slot;"/>
       <button label="&event.freebusy.previous.slot;"
               dir="normal"
               class="left-icon"