diff --git a/content/datenspuren/index.xml b/content/datenspuren/index.xml
index e3aee2a47..3e1b0aec8 100644
--- a/content/datenspuren/index.xml
+++ b/content/datenspuren/index.xml
@@ -47,8 +47,8 @@
 	<div itemprop="description">12. Symposium Datenspuren 2015</div>
 	<span>
 		<div>
-			<span itemprop="startDate" content="2015-10-23T12:00" class="dt-start dtstart">23.10.</span> - 
-			<span itemprop="endDate" content="2015-10-24T17:45" class="dt-end dtend">24.10.2015</span>
+			<span itemprop="startDate" content="2015-10-23T12:00" class="dt-start dtstart">24.10.</span> - 
+			<span itemprop="endDate" content="2015-10-24T17:45" class="dt-end dtend">25.10.2015</span>
 		</div>
 		<div  itemscope="itemscope" itemtype="http://schema.org/Performer" class="">
 			<div itemscope="itemscope" itemtype="http://schema.org/Organization">