diff --git a/openerp/addons/base/ir/ir_attachment.py b/openerp/addons/base/ir/ir_attachment.py
index 26dbe93a661..7aacdfee658 100644
--- a/openerp/addons/base/ir/ir_attachment.py
+++ b/openerp/addons/base/ir/ir_attachment.py
@@ -27,6 +27,8 @@ import re
 from openerp import tools
 from openerp.osv import fields,osv
 
+_logger = logging.getLogger(__name__)
+
 class ir_attachment(osv.osv):
     """Attachments are used to link binary files or url to any openerp document.