diff --git a/addons/survey/wizard/survey_email_compose_message.py b/addons/survey/wizard/survey_email_compose_message.py
index 516c18af799..a9a244f1138 100644
--- a/addons/survey/wizard/survey_email_compose_message.py
+++ b/addons/survey/wizard/survey_email_compose_message.py
@@ -154,7 +154,7 @@ class survey_mail_compose_message(osv.TransientModel):
                 'parent_id': None,
                 'partner_ids': partner_id and [(4, partner_id)] or None,
                 'notified_partner_ids': partner_id and [(4, partner_id)] or None,
-                'attachment_ids': wizard.attachment_ids or None,
+                'attachment_ids': wizard.attachment_ids and [(6, 0, wizard.attachment_ids.ids)] or None,
                 'email_from': wizard.email_from or None,
                 'email_to': email,
             }