diff --git a/bin/addons/base/ir/ir_model.py b/bin/addons/base/ir/ir_model.py
index 19ef96c1e17..e8d5e1063b4 100644
--- a/bin/addons/base/ir/ir_model.py
+++ b/bin/addons/base/ir/ir_model.py
@@ -388,8 +388,8 @@ class ir_model_data(osv.osv):
     _defaults = {
         'date_init': lambda *a: time.strftime('%Y-%m-%d %H:%M:%S'),
         'date_update': lambda *a: time.strftime('%Y-%m-%d %H:%M:%S'),
-        'noupdate': lambda *a: False,
-        'module': lambda *a: ''
+        'noupdate': False,
+        'module': ''
     }
     _sql_constraints = [
         ('module_name_uniq', 'unique(name, module)', 'You cannot have multiple records with the same id for the same module !'),