diff --git a/htdocs/caldav.php b/htdocs/caldav.php
index 53248e89..a44ab79b 100644
--- a/htdocs/caldav.php
+++ b/htdocs/caldav.php
@@ -113,8 +113,7 @@ switch ( $request->method ) {
     $request->CoerceContentType();
     switch( $request->content_type ) {
       case 'text/calendar':
-        /** use original DAViCal 'PUT' code which will be rewritten */
-        include('caldav-PUT.php');
+        include('caldav-PUT-vcalendar.php');
         break;
       case 'text/vcard':
       case 'text/x-vcard':
diff --git a/inc/caldav-PUT.php b/inc/caldav-PUT-vcalendar.php
similarity index 97%
rename from inc/caldav-PUT.php
rename to inc/caldav-PUT-vcalendar.php
index 35a8c648..eca372d5 100644
--- a/inc/caldav-PUT.php
+++ b/inc/caldav-PUT-vcalendar.php
@@ -92,7 +92,7 @@ if ( $dav_resource->Exists() ) {
 $put_action_type = ($dav_resource->Exists() ? 'UPDATE' : 'INSERT');
 $collection = $dav_resource->GetParentContainer();
 
-write_resource( $dav_resource->bound_from(), $request->raw_post, $collection,
+write_resource( $dav_resource, $request->raw_post, $collection,
                                 $session->user_no, $etag, $ic, $put_action_type, true, true );
 
 header(sprintf('ETag: "%s"', $etag) );