diff --git a/addons/mass_mailing/models/mail_mail.py b/addons/mass_mailing/models/mail_mail.py
index 0e44399a256..41be9c21cbf 100644
--- a/addons/mass_mailing/models/mail_mail.py
+++ b/addons/mass_mailing/models/mail_mail.py
@@ -74,6 +74,11 @@ class MailMail(osv.Model):
""" Override to add the tracking URL to the body. """
body = super(MailMail, self).send_get_mail_body(cr, uid, mail, partner=partner, context=context)
+ # prepend tag for images using absolute urls
+ domain = self.pool.get("ir.config_parameter").get_param(cr, uid, "web.base.url", context=context)
+ base = "" % domain
+ body = tools.append_content_to_html(base, body, plaintext=False, container_tag='div')
+
# generate tracking URL
if mail.statistics_ids:
tracking_url = self._get_tracking_url(cr, uid, mail, partner, context=context)