diff --git a/content/datenspuren/index.xml b/content/datenspuren/index.xml
index 91bcb4a81..f69be8c78 100644
--- a/content/datenspuren/index.xml
+++ b/content/datenspuren/index.xml
@@ -14,24 +14,24 @@
 
   <h2>Vorjahresveranstaltungen</h2>
   <ul>
-    <a href="../2022/">2022</a>
-    <a href="../2021/">2021</a>
-    <a href="../2020/">2020</a>
-    <a href="../2019/">2019</a>
-    <a href="../2018/">2018</a>
-    <a href="../2017/">2017</a>
-    <a href="../2016/">2016</a>
-    <a href="../2015/">2015</a>
-    <a href="../2014/">2014</a>
-    <a href="../2013/">2013</a>
-    <a href="../2012/">2012</a>
-    <a href="../2011/">2011</a>
-    <a href="../2010/">2010</a>
-    <a href="../2009/">2009</a>
-    <a href="../2008/">2008</a>
-    <a href="../2007/">2007</a>
-    <a href="../2006/">2006</a>
-    <a href="../2005/">2005</a>
-    <a href="../2004/">2004</a>
+    <li><link href="../2022/">2022</link></li>
+    <li><link href="../2021/">2021</link></li>
+    <li><link href="../2020/">2020</link></li>
+    <li><link href="../2019/">2019</link></li>
+    <li><link href="../2018/">2018</link></li>
+    <li><link href="../2017/">2017</link></li>
+    <li><link href="../2016/">2016</link></li>
+    <li><link href="../2015/">2015</link></li>
+    <li><link href="../2014/">2014</link></li>
+    <li><link href="../2013/">2013</link></li>
+    <li><link href="../2012/">2012</link></li>
+    <li><link href="../2011/">2011</link></li>
+    <li><link href="../2010/">2010</link></li>
+    <li><link href="../2009/">2009</link></li>
+    <li><link href="../2008/">2008</link></li>
+    <li><link href="../2007/">2007</link></li>
+    <li><link href="../2006/">2006</link></li>
+    <li><link href="../2005/">2005</link></li>
+    <li><link href="../2004/">2004</link></li>
   </ul>
 </page>