diff --git a/addons/document/nodes.py b/addons/document/nodes.py
index 8899f66f1c4..8988437e6aa 100644
--- a/addons/document/nodes.py
+++ b/addons/document/nodes.py
@@ -193,7 +193,7 @@ class node_class(object):
             s = []
         if isinstance(self.path,list):
             s+=self.path
-        elif path is None:
+        elif self.path is None:
             s.append('')
         else:
             s.append(self.path)