diff --git a/modules/default/calendar/calendar.js b/modules/default/calendar/calendar.js
index 7b81380928..d9cc829121 100755
--- a/modules/default/calendar/calendar.js
+++ b/modules/default/calendar/calendar.js
@@ -220,7 +220,7 @@ Module.register("calendar", {
 			var titleWrapper = document.createElement("td"),
 				repeatingCountTitle = "";
 
-			if (this.config.displayRepeatingCountTitle) {
+			if (this.config.displayRepeatingCountTitle && event.firstYear !== undefined) {
 
 				repeatingCountTitle = this.countTitleForUrl(event.url);