diff --git a/addons/mail/static/src/core/common/thread.js b/addons/mail/static/src/core/common/thread.js
index 6b30b468667..1a830ca80da 100644
--- a/addons/mail/static/src/core/common/thread.js
+++ b/addons/mail/static/src/core/common/thread.js
@@ -202,7 +202,11 @@ export class Thread extends Component {
         const { oeType, oeId } = ev.target.dataset;
         if (oeType === "highlight") {
             await this.env.messageHighlight?.highlightMessage(
-                this.store.Message.get(Number(oeId)),
+                this.store.Message.insert({
+                    id: Number(oeId),
+                    resId: this.props.thread.id,
+                    resModel: this.props.thread.model,
+                }),
                 this.props.thread
             );
         }