diff --git a/addons/mail/data/mail_data.xml b/addons/mail/data/mail_data.xml
index 83b78c2989a..c499dd5c5e7 100644
--- a/addons/mail/data/mail_data.xml
+++ b/addons/mail/data/mail_data.xml
@@ -266,7 +266,7 @@
             <table border="0" cellpadding="0" cellspacing="0" width="590" style="min-width: 590px; background-color: white; padding: 0px 8px 0px 8px; border-collapse:separate;">
                 <tr><td valign="top" style="font-size: 13px;">
                     <t t-raw="message.body"/>
-                    <div t-if="is_online and not record._context.get('proforma')" style="margin: 16px 0px 16px 0px;">
+                    <div t-if="is_online and not record._context.get('proforma')" style="margin: 32px 0px 32px 0px; text-align: center;">
                         <a t-att-href="access_url"
                             style="background-color: #875A7B; padding: 8px 16px 8px 16px; text-decoration: none; color: #fff; border-radius: 5px; font-size:13px;">
                             <t t-esc="access_name"/>