diff --git a/paddles/controllers/nodes.py b/paddles/controllers/nodes.py
index b1986e8..3b4e82a 100644
--- a/paddles/controllers/nodes.py
+++ b/paddles/controllers/nodes.py
@@ -314,6 +314,8 @@ def _lock(node_obj, node_dict, verb):
             name=node_obj.name,
             locked=node_obj.locked,
             locked_by=node_obj.locked_by,
+            machine_type=node_obj.machine_type,
+            is_vm=node_obj.is_vm,
         )
 
     @expose('json')