diff --git a/addons/mail/static/src/xml/mail.xml b/addons/mail/static/src/xml/mail.xml
index 2b3e0129959..db53a60cdbc 100644
--- a/addons/mail/static/src/xml/mail.xml
+++ b/addons/mail/static/src/xml/mail.xml
@@ -250,7 +250,7 @@
                             <t t-raw="widget.record_name"/>
                         </a>
                         <span t-if="!widget.options.show_link and widget.show_record_name"><t t-raw="widget.record_name"/></span>
-                        <t t-if="widget.subject">: </t>
+                        <t t-if="widget.show_record_name and widget.subject">: </t>
                         <t t-if="widget.subject" t-raw="widget.subject"/>
                     </h1>
                     <div class="oe_msg_body">