diff --git a/addons/mail/static/src/core/web/thread_service_patch.js b/addons/mail/static/src/core/web/thread_service_patch.js
index fcd59ac561c..87ef909ed45 100644
--- a/addons/mail/static/src/core/web/thread_service_patch.js
+++ b/addons/mail/static/src/core/web/thread_service_patch.js
@@ -107,7 +107,7 @@ patch(ThreadService.prototype, {
         if (id === false) {
             thread.messages.push({
                 id: this.messageService.getNextTemporaryId(),
-                author: { id: this.store.self.id },
+                author: this.store.self,
                 body: _t("Creating a new record..."),
                 message_type: "notification",
                 trackingValues: [],
diff --git a/addons/mail/static/tests/web/chatter_tests.js b/addons/mail/static/tests/web/chatter_tests.js
index bd63318fb28..38f45123ee7 100644
--- a/addons/mail/static/tests/web/chatter_tests.js
+++ b/addons/mail/static/tests/web/chatter_tests.js
@@ -312,6 +312,7 @@ QUnit.test("base rendering when chatter has no record", async () => {
     await contains(".o-mail-AttachmentBox", { count: 0 });
     await contains(".o-mail-Chatter .o-mail-Thread");
     await contains(".o-mail-Message");
+    await contains(".o-mail-Message-author", { text: "Mitchell Admin" });
     await contains(".o-mail-Message-body", { text: "Creating a new record..." });
     await contains("button", { count: 0, text: "Load More" });
     await contains(".o-mail-Message-actions");