1 files changed, 1 insertions, 1 deletions
diff --git a/addons/mail/static/src/models/thread_view/thread_view.js b/addons/mail/static/src/models/thread_view/thread_view.js
index d7ea1508067..599a99cc936 100644
--- a/addons/mail/static/src/models/thread_view/thread_view.js
+++ b/addons/mail/static/src/models/thread_view/thread_view.js
@@ -95,7 +95,7 @@ function factory(dependencies) {
             const lastMessageIsVisible = this.lastVisibleMessage &&
                 this.lastVisibleMessage === this.lastMessage;
             if (lastMessageIsVisible && this.hasComposerFocus && this.thread) {
-                this.thread.markAsSeen().catch(e => {
+                this.thread.markAsSeen(this.lastMessage.id).catch(e => {
                     // prevent crash when executing compute during destroy
                     if (!(e instanceof RecordDeletedError)) {
                         throw e;