=== modified file 'openerp/addons/base/ir/ir_ui_view.py'
--- openerp/addons/base/ir/ir_ui_view.py	2013-09-12 14:10:18 +0000
+++ openerp/addons/base/ir/ir_ui_view.py	2014-05-06 08:34:48 +0000
@@ -232,15 +232,13 @@
                     if model_value._obj==node_obj:
                         _Node_Field=model_key
                         _Model_Field=model_value._fields_id
-                    flag=False
                     for node_key,node_value in _Node_Obj._columns.items():
                         if node_value._type=='one2many':
                              if node_value._obj==conn_obj:
-                                 if src_node in _Arrow_Obj._columns and flag:
+                                 if des_node in _Arrow_Obj._columns and node_value._fields_id == des_node:
                                     _Source_Field=node_key
-                                 if des_node in _Arrow_Obj._columns and not flag:
+                                 if src_node in _Arrow_Obj._columns and node_value._fields_id == src_node:
                                     _Destination_Field=node_key
-                                    flag = True
 
         datas = _Model_Obj.read(cr, uid, id, [],context)
         for a in _Node_Obj.read(cr,uid,datas[_Node_Field],[]):