Index: workflow.module
===================================================================
--- workflow.module	(revision 5)
+++ workflow.module	(revision 11)
@@ -773,7 +773,7 @@ function workflow_workflow($op, $old_sta
         // We keep the object in $objects so we can reuse it if we have multiple actions
         // that make changes to an object.
         foreach ($aids as $aid => $action_info) {
-          if ($action_info['type'] != 'node') {
+          if ($action_info['type'] != 'node' && $action_info['type'] != 'system') {
             if (!isset($objects[$action_info['type']])) {
               $objects[$action_info['type']] = _trigger_normalize_node_context($action_info['type'], $node);
            }