diff --git a/lib/exe/xmlrpc.php b/lib/exe/xmlrpc.php
index 926bdb9ac1bde107817a2092758824c399b6a03b..b0ec1df02027651c83e2c90985f9ebfb2e07078a 100644
--- a/lib/exe/xmlrpc.php
+++ b/lib/exe/xmlrpc.php
@@ -318,7 +318,7 @@ class dokuwiki_xmlrpc_server extends IXR_IntrospectionServer {
             // check if logline is still in the queried time frame
             if($logline['date'] >= $timestamp) {
                 $change['name']         = $logline['id'];
-                $change['lastModified'] = $logline['date'];
+                $change['lastModified'] = new IXR_Date($logline['date']);
                 $change['author']       = $logline['user'];
                 $change['version']      = $logline['date'];
                 array_push($changes, $change);