diff --git a/addons/mail/static/src/components/chatter_container/chatter_container.js b/addons/mail/static/src/components/chatter_container/chatter_container.js
index 2f1e38045dc..0c45751d44f 100644
--- a/addons/mail/static/src/components/chatter_container/chatter_container.js
+++ b/addons/mail/static/src/components/chatter_container/chatter_container.js
@@ -121,6 +121,10 @@ Object.assign(ChatterContainer, {
             type: Boolean,
             optional: true,
         },
+        hasParentReloadOnMessagePosted: {
+            type: Boolean,
+            optional: true,
+        },
         hasTopbarCloseButton: {
             type: Boolean,
             optional: true,
diff --git a/addons/mail/static/src/models/chatter.js b/addons/mail/static/src/models/chatter.js
index cfa6bca3a03..115f2be1ba4 100644
--- a/addons/mail/static/src/models/chatter.js
+++ b/addons/mail/static/src/models/chatter.js
@@ -422,6 +422,9 @@ registerModel({
         hasParentReloadOnFollowersUpdate: attr({
             default: false,
         }),
+        hasParentReloadOnMessagePosted: attr({
+            default: false,
+        }),
         /**
          * Determines whether `this.thread` should be displayed.
          */
diff --git a/addons/mail/static/src/models/composer_view.js b/addons/mail/static/src/models/composer_view.js
index ea2c25347ea..65d69f3afbf 100644
--- a/addons/mail/static/src/models/composer_view.js
+++ b/addons/mail/static/src/models/composer_view.js
@@ -586,6 +586,7 @@ registerModel({
                     postData.parent_id = this.threadView.replyingToMessageView.message.id;
                 }
                 const { threadView = {} } = this;
+                const chatter = this.chatter;
                 const { thread: chatterThread } = this.chatter || {};
                 const { thread: threadViewThread } = threadView;
                 const messageData = await this.messaging.rpc({ route: `/mail/message/post`, params });
@@ -600,6 +601,9 @@ registerModel({
                     threadView.update({ hasAutoScrollOnMessageReceived: true });
                     threadView.addComponentHint('message-posted', { message });
                 }
+                if (chatter && chatter.exists() && chatter.hasParentReloadOnMessagePosted) {
+                    chatter.reloadParentView();
+                }
                 if (chatterThread) {
                     if (this.exists()) {
                         this.delete();
diff --git a/addons/mail/static/src/widgets/form_renderer/form_renderer.js b/addons/mail/static/src/widgets/form_renderer/form_renderer.js
index dc0a4576dcb..549c3bc38c7 100644
--- a/addons/mail/static/src/widgets/form_renderer/form_renderer.js
+++ b/addons/mail/static/src/widgets/form_renderer/form_renderer.js
@@ -41,7 +41,6 @@ FormRenderer.include({
         this._super(...arguments);
         this._chatterContainerComponent = undefined;
         this.off('o_chatter_rendered', this);
-        this.off('o_message_posted', this);
     },
 
     //--------------------------------------------------------------------------
@@ -71,11 +70,6 @@ FormRenderer.include({
         // Not in custom_events because other modules may remove this listener
         // while attempting to extend them.
         this.on('o_chatter_rendered', this, ev => this._onChatterRendered(ev));
-        if (this.chatterFields.hasRecordReloadOnMessagePosted) {
-            this.on('o_message_posted', this, ev => {
-                this.trigger_up('reload', { keepChanges: true });
-            });
-        }
     },
     /**
      * @private
@@ -88,6 +82,7 @@ FormRenderer.include({
             hasMessageList: this.chatterFields.hasMessageIds,
             hasParentReloadOnAttachmentsChanged: this.chatterFields.hasRecordReloadOnAttachmentsChanged,
             hasParentReloadOnFollowersUpdate: this.chatterFields.hasRecordReloadOnFollowersUpdate,
+            hasParentReloadOnMessagePosted: this.chatterFields.hasRecordReloadOnMessagePosted,
             isAttachmentBoxVisibleInitially: this.chatterFields.isAttachmentBoxVisibleInitially,
             threadId: this.state.res_id,
             threadModel: this.state.model,