diff --git a/src/plugins/plugin_misc_account.py b/src/plugins/plugin_misc_account.py
index 0776ddbd..6fde0699 100755
--- a/src/plugins/plugin_misc_account.py
+++ b/src/plugins/plugin_misc_account.py
@@ -306,12 +306,12 @@ class MiscAccount(object):
 
         body = (_(u"""Welcome to Libervia, the web interface of Salut à Toi.
 
-Your account on %(domain)s has been successfully created. This is a demonstration version to show you the current status of the project. It is still under development, please keep it in mind!
+Your account on {domain} has been successfully created. This is a demonstration version to show you the current status of the project. It is still under development, please keep it in mind!
 
 Here is your connection information:
 
-Login on libervia.org: %(profile)s
-Jabber ID (JID): %(jid_s)s
+Login on {domain}: {profile}
+Jabber ID (JID): {jid}
 Your password has been chosen by yourself during registration.
 
 In the beginning, you have nobody to talk to. To find some contacts, you may use the users' directory:
@@ -322,7 +322,7 @@ Any feedback welcome. Thank you!
 
 Salut à Toi association
 http://www.salut-a-toi.org
-""") % {'profile': profile, 'jid_s': jid_s, 'domain': domain}).encode('utf-8')
+""").format(profile=profile, jid=jid_s, domain=domain)).encode('utf-8')
         msg = MIMEText(body, 'plain', 'UTF-8')
         msg['Subject'] = _(u'Libervia account created')
         msg['From'] = email_from