diff --git a/addons/mass_mailing/wizard/mailing_mailing_test.py b/addons/mass_mailing/wizard/mailing_mailing_test.py
index 5a107a8a132..c77010f9ebf 100644
--- a/addons/mass_mailing/wizard/mailing_mailing_test.py
+++ b/addons/mass_mailing/wizard/mailing_mailing_test.py
@@ -20,8 +20,8 @@ class TestMassMailing(models.TransientModel):
         mass_mail_layout = self.env.ref('mass_mailing.mass_mailing_mail_layout')
         for test_mail in test_emails:
             # Convert links in absolute URLs before the application of the shortener
-            mailing.write({'body_html': self.env['mail.thread']._replace_local_links(mailing.body_html)})
-            body = tools.html_sanitize(mailing.body_html, sanitize_attributes=True, sanitize_style=True)
+            body = self.env['mail.thread']._replace_local_links(mailing.body_html)
+            body = tools.html_sanitize(body, sanitize_attributes=True, sanitize_style=True)
             mail_values = {
                 'email_from': mailing.email_from,
                 'reply_to': mailing.reply_to,