diff --git a/script/eventdate.js b/script/eventdate.js
index a5ba4ac..2215219 100644
--- a/script/eventdate.js
+++ b/script/eventdate.js
@@ -5,18 +5,20 @@ import * as RRule from 'https://bitcoin-dresden.de/script/rrule.min.js';
 
 document.addEventListener("DOMContentLoaded", function(event) { 
 
-	for(const tag of document.getElementsByClassName("rrule") ){
-		var now = new Date();
-		var rule = rrule.RRule.fromString(tag.getAttribute('data-rrule').toUpperCase());
-		var e = rule.after(now);
-		tag.setAttribute('datetime', new Date(e - -now.getTimezoneOffset()*60000).toISOString());
-		var f = new Intl.DateTimeFormat("de-DE", { //timeZoneName: "short", second: "numeric" | day: "2-digit" 
-			 timeZone: "UTC", year: "numeric", month: "long", day: "numeric", weekday: "long", hour: "numeric", minute: "numeric" }).format(e).replace(' um ',' ab ');
-		//~ console.log(f);
-		tag.innerHTML = "nächster Termin planmäßig am " + f + " Uhr";
-		var title = 'planmäßig '+rule.toText().replace('every day','jeden Tag').replace('every week','jede Woche').replace('every month','jeden Monat').replace('every year','jedes Jahr').replace('on the','am').replace('Monday','Montag').replace('Tuesday','Dienstag').replace('Wednesday','Mittwoch').replace('Thursday','Donnerstag').replace('Friday','Freitag').replace('Saturday','Samstag').replace('Sunday','Sonntag').replace('2nd','zweiten').replace('1st','ersten').replace('3rd','dritten').replace('4th','vierten') + " " + f.substr(f.lastIndexOf('ab '));
-		//~ console.log(title);
-		tag.setAttribute('title', title);
+	for(const tag of document.getElementsByTagName("time") ){
+		if (tag.getAttribute('data-rrule') !== null) {
+			var now = new Date();
+			var rule = rrule.RRule.fromString(tag.getAttribute('data-rrule').toUpperCase());
+			var e = rule.after(now);
+			tag.setAttribute('datetime', new Date(e - -now.getTimezoneOffset()*60000).toISOString());
+			var f = new Intl.DateTimeFormat("de-DE", { //timeZoneName: "short", second: "numeric" | day: "2-digit" 
+				 timeZone: "UTC", year: "numeric", month: "long", day: "numeric", weekday: "long", hour: "numeric", minute: "numeric" }).format(e).replace(' um ',' ab ');
+			//~ console.log(f);
+			tag.innerHTML = "nächster Termin planmäßig am " + f + " Uhr";
+			var title = 'planmäßig '+rule.toText().replace('every day','jeden Tag').replace('every week','jede Woche').replace('every month','jeden Monat').replace('every year','jedes Jahr').replace('on the','am').replace('Monday','Montag').replace('Tuesday','Dienstag').replace('Wednesday','Mittwoch').replace('Thursday','Donnerstag').replace('Friday','Freitag').replace('Saturday','Samstag').replace('Sunday','Sonntag').replace('2nd','zweiten').replace('1st','ersten').replace('3rd','dritten').replace('4th','vierten') + " " + f.substr(f.lastIndexOf('ab '));
+			//~ console.log(title);
+			tag.setAttribute('title', title);
+		}
 	}
 
 });