diff --git a/mozilla/calendar/base/content/calendar-month-view.xml b/mozilla/calendar/base/content/calendar-month-view.xml
index 679500e182b..35e4220822a 100644
--- a/mozilla/calendar/base/content/calendar-month-view.xml
+++ b/mozilla/calendar/base/content/calendar-month-view.xml
@@ -195,7 +195,7 @@
 
           // Remove all the old events
           this.mItemData = new Array();
-          while(this.hasChildNodes()) {
+          while(this.dayitems.hasChildNodes()) {
                 this.dayitems.removeChild(this.dayitems.lastChild);
           }
         ]]></body>