diff --git a/trytond/ir/model.py b/trytond/ir/model.py
index f19fc73b22..8b0c556ccf 100644
--- a/trytond/ir/model.py
+++ b/trytond/ir/model.py
@@ -105,19 +105,24 @@ class ModelAccess(OSV):
         if not row[0][0]:
             if raise_exception:
                 if mode == 'read':
-                    raise except_orm('AccessError',
-                            'You can not read this document!')
+                    raise ExceptORM('AccessError',
+                            'You can not read this document! (%s)' \
+                                    % model_name)
                 elif mode == 'write':
-                    raise except_orm('AccessError',
-                            'You can not write in this document!')
+                    raise ExceptORM('AccessError',
+                            'You can not write in this document! (%s)' \
+                                    % model_name)
                 elif mode == 'create':
-                    raise except_orm('AccessError',
-                            'You can not create this kind of document!')
+                    raise ExceptORM('AccessError',
+                            'You can not create this kind of document! (%s)' \
+                                    % model_name)
                 elif mode == 'unlink':
-                    raise except_orm('AccessError',
-                            'You can not delete this document!')
-                raise except_orm('AccessError',
-                        'You do not have access to this document!')
+                    raise ExceptORM('AccessError',
+                            'You can not delete this document! (%s)' \
+                                    % model_name)
+                raise ExceptORM('AccessError',
+                        'You do not have access to this document! (%s)' \
+                                % model_name)
             else:
                 return False
         return True