--- ProcessManager.php.orig	2011-03-30 11:38:47.000000000 -0300
+++ ProcessManager.php	2011-03-30 11:38:54.000000000 -0300
@@ -798,7 +798,8 @@
 	 */
 	function list_processes($offset,$maxRecords,$sort_mode,$find='',$where='')
 	{
-		$sort_mode = $this->convert_sortmode($sort_mode);
+		if(!empty($sort_mode))
+			$sort_mode = $this->convert_sortmode($sort_mode);
 		if($find) {
 			$findesc = '%'.$find.'%';
 			$mid=' where ((wf_name like ?) or (wf_description like ?))';