diff --git a/phpgwapi/inc/class.vfs_webdav_server.inc.php b/phpgwapi/inc/class.vfs_webdav_server.inc.php
index d1b60fa737..bcdccf208c 100644
--- a/phpgwapi/inc/class.vfs_webdav_server.inc.php
+++ b/phpgwapi/inc/class.vfs_webdav_server.inc.php
@@ -263,7 +263,7 @@ class vfs_webdav_server extends HTTP_WebDAV_Server_Filesystem
 		// type and size (caller already made sure that path exists)
 		if (is_dir($fspath)) {
 			// directory (WebDAV collection)
-			$info['props'][] = HTTP_WebDAV_Server::mkprop	('resourcetype', 'collection');
+			$info['props'][] = HTTP_WebDAV_Server::mkprop	('resourcetype', HTTP_WebDAV_Server::mkprop('collection',''));
 			$info['props'][] = HTTP_WebDAV_Server::mkprop	('getcontenttype', 'httpd/unix-directory');
 		} else {
 			// plain file (WebDAV resource)
@@ -471,4 +471,4 @@ class vfs_webdav_server extends HTTP_WebDAV_Server_Filesystem
 	{
 		return egw_vfs::checkLock($path);
 	}
-}
\ No newline at end of file
+}