diff --git a/addons/mail/static/src/core/common/thread.xml b/addons/mail/static/src/core/common/thread.xml
index 7e6e4ab9b90..5fb6294938c 100644
--- a/addons/mail/static/src/core/common/thread.xml
+++ b/addons/mail/static/src/core/common/thread.xml
@@ -17,7 +17,7 @@
                     <span t-ref="load-newer"/>
                     <t t-if="!env.inChatter" t-call="mail.Thread.jumpPresent"/>
                 </t>
-                <t t-foreach="props.order === 'asc' ? props.thread.nonEmptyMessages : [...props.thread.nonEmptyMessages].reverse()" t-as="msg" t-key="msg.id">
+                <t t-if="state.mountedAndLoaded" t-foreach="props.order === 'asc' ? props.thread.nonEmptyMessages : [...props.thread.nonEmptyMessages].reverse()" t-as="msg" t-key="msg.id">
                     <t t-if="msg.dateDay !== currentDay and props.showDates">
                         <DateSection date="msg.dateDay" className="'pt-4'"/>
                         <t t-set="currentDay" t-value="msg.dateDay"/>