diff --git a/addons/document/nodes.py b/addons/document/nodes.py
index 1b516694aaf..14d8b16d987 100644
--- a/addons/document/nodes.py
+++ b/addons/document/nodes.py
@@ -212,14 +212,15 @@ class node_class(object):
     def get_dav_eprop(self, cr, ns, prop):
         return None
 
-    def move_to(self, cr, fil_obj, ndir_obj, new_name=False, in_write=False):
+    def move_to(self, cr, ndir_node, new_name=False, fil_obj=None, ndir_obj=None, in_write=False):
         """ Move this node to a new parent directory.
+        @param ndir_node the collection that this node should be moved under
+        @param new_name a name to rename this node to. If omitted, the old
+            name is preserved
         @param fil_obj, can be None, is the browse object for the file, 
             if already available.
         @param ndir_obj must be the browse object to the new doc.directory 
             location, where this node should be moved to.
-        @param new_name a name to rename this node to. If omitted, the old
-            name is preserved
         in_write: When called by write(), we shouldn't attempt to write the
             object, but instead return the dict of vals (avoid re-entrance).
             If false, we should write all data to the object, here, as if the