diff --git a/onyx/config/sample.root.xml b/onyx/config/sample.root.xml
index 61d79f2e..5f3a4696 100644
--- a/onyx/config/sample.root.xml
+++ b/onyx/config/sample.root.xml
@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <configs active="1" root="/var/www/jacobdelafon/htdocs/" cache="1">
   <config match="index.php">
+    <var name="end_challenge">1381441316</var>
     <var name="chrono"><![CDATA[<!--Page générée en: $ secondes.-->]]></var>
   </config>
   <config match="*">