diff --git a/modules/default/calendar/calendarfetcher.js b/modules/default/calendar/calendarfetcher.js
index 10891134..74e4b2da 100644
--- a/modules/default/calendar/calendarfetcher.js
+++ b/modules/default/calendar/calendarfetcher.js
@@ -58,7 +58,13 @@ var CalendarFetcher = function(url, reloadInterval, maximumEntries, maximumNumbe
 				if (event.type === "VEVENT") {
 
 					var startDate = (event.start.length === 8) ? moment(event.start, "YYYYMMDD") : moment(new Date(event.start));
-					var endDate = (event.end.length === 8) ? moment(event.end, "YYYYMMDD") : moment(new Date(event.end));
+					var endDate;
+					if (typeof event.end !== "undefined") {
+						endDate = (event.end.length === 8) ? moment(event.end, "YYYYMMDD") : moment(new Date(event.end));
+					} else {
+						endDate = startDate;
+					}
+
 					if (event.start.length === 8) {
 						startDate = startDate.startOf("day");
 					}