diff --git a/mass_mailing_unique/i18n/mass_mailing_unique.pot b/mass_mailing_unique/i18n/mass_mailing_unique.pot
index a4e2b5f07..768703e57 100644
--- a/mass_mailing_unique/i18n/mass_mailing_unique.pot
+++ b/mass_mailing_unique/i18n/mass_mailing_unique.pot
@@ -21,7 +21,7 @@ msgstr ""
 #. module: mass_mailing_unique
 #: code:addons/mass_mailing_unique/models/mail_mass_mailing_contact.py:21
 #, python-format
-msgid "Cannot have the same email more than once in the same list"
+msgid "Cannot have the same email (%s) morethan once in the same list."
 msgstr ""
 
 #. module: mass_mailing_unique