diff --git a/addons/calendar/data/mail_template_data.xml b/addons/calendar/data/mail_template_data.xml
index 3d99e18abb6..ccce02ee42e 100644
--- a/addons/calendar/data/mail_template_data.xml
+++ b/addons/calendar/data/mail_template_data.xml
@@ -23,7 +23,7 @@
         Hello <t t-out="object.common_name or ''">Wood Corner</t>,<br/><br/>
 
         <t t-if="is_online and target_customer">
-            Your appointment <strong t-out="object.event_id.appointment_type_id.name or ''">Schedule a Demo</strong> <t t-if="object.event_id.appointment_type_id.category != 'custom'"> with <t t-out="object.event_id.user_id.name or ''">Ready Mat</t></t> has been booked.
+            Your appointment <strong t-out="object.event_id.appointment_type_id.name or ''">Schedule a Demo</strong> <t t-if="object.event_id.appointment_type_id.category != 'custom' and object.event_id.appointment_type_id.schedule_based_on == 'users'"> with <t t-out="object.event_id.user_id.name or ''">Ready Mat</t></t> has been booked.
             <t t-if="is_online and object.state != 'accepted' and object.event_id.appointment_type_id.resource_manual_confirmation">
                 You will receive a mail of confirmation with more details when your appointment will be confirmed.
             </t>