diff --git a/templates/lecture.html b/templates/lecture.html
index 13088a409d321a5d067bb98fd98a76b86da417bf..f135ca57b73f2d54d700e9194d2fff3743721e34 100644
--- a/templates/lecture.html
+++ b/templates/lecture.html
@@ -40,7 +40,7 @@
 					<th>Sichtbar</th>
 					<th></th>
 				</tr>
-				{% for c in chapters|sort(attribute='start') %}
+				{% for c in chapters|sort(attribute='time') %}
 				<tr onclick=" $('.player video')[0].setCurrentTime({{c['time']}})">
 					<td>{{ loop.index }}</td>
 					<td>{{ vtttime(c['time']) }}</td>