diff --git a/tryton/gui/window/attachment.py b/tryton/gui/window/attachment.py
index 26aaaeba2f..67916c0def 100644
--- a/tryton/gui/window/attachment.py
+++ b/tryton/gui/window/attachment.py
@@ -19,7 +19,7 @@ class Attachment(WinForm):
     def __init__(self, record, callback=None):
         self.resource = '%s,%s' % (record.model_name, record.id)
         self.attachment_callback = callback
-        title = _('Attachments (%s)') % (record.rec_name)
+        title = _('Attachments (%s)') % (record.rec_name())
         screen = Screen('ir.attachment', domain=[
             ('resource', '=', self.resource),
             ], mode=['tree', 'form'], exclude_field='resource')
diff --git a/tryton/gui/window/note.py b/tryton/gui/window/note.py
index 1757cf4d89..bf0f2ebbd6 100644
--- a/tryton/gui/window/note.py
+++ b/tryton/gui/window/note.py
@@ -14,7 +14,7 @@ class Note(WinForm):
     def __init__(self, record, callback=None):
         self.resource = '%s,%s' % (record.model_name, record.id)
         self.note_callback = callback
-        title = _('Notes (%s)') % (record.rec_name)
+        title = _('Notes (%s)') % (record.rec_name())
         screen = Screen('ir.note', domain=[
                 ('resource', '=', self.resource),
                 ], mode=['tree', 'form'], exclude_field='resource')