diff --git a/addons/account/views/account_portal_templates.xml b/addons/account/views/account_portal_templates.xml
index 66e338a39f6..47045e7d0dd 100644
--- a/addons/account/views/account_portal_templates.xml
+++ b/addons/account/views/account_portal_templates.xml
@@ -144,9 +144,7 @@
                     <!-- chatter -->
                     <div id="invoice_communication" class="mt-4">
                         <h2>History</h2>
-                        <t t-call="portal.message_thread">
-                            <t t-set="object" t-value="invoice"/>
-                        </t>
+                        <t t-call="portal.message_thread"/>
                     </div>
                 </div>
             </div>
diff --git a/addons/portal/controllers/portal.py b/addons/portal/controllers/portal.py
index 856c4c9c390..48b20654b49 100644
--- a/addons/portal/controllers/portal.py
+++ b/addons/portal/controllers/portal.py
@@ -398,6 +398,18 @@ class CustomerPortal(Controller):
         return document_sudo
 
     def _get_page_view_values(self, document, access_token, values, session_history, no_breadcrumbs, **kwargs):
+        """Include necessary values for portal chatter & pager setup (see template portal.message_thread).
+
+        :param document: record to display on portal
+        :param str access_token: provided document access token
+        :param dict values: base dict of values where chatter rendering values should be added
+        :param str session_history: key used to store latest records browsed on the portal in the session
+        :param bool no_breadcrumbs:
+        :return: updated values
+        :rtype: dict
+        """
+        values['object'] = document
+
         if access_token:
             # if no_breadcrumbs = False -> force breadcrumbs even if access_token to `invite` users to register if they click on it
             values['no_breadcrumbs'] = no_breadcrumbs
diff --git a/addons/portal/views/portal_templates.xml b/addons/portal/views/portal_templates.xml
index 4e710e90b26..86fcd2dc1a3 100644
--- a/addons/portal/views/portal_templates.xml
+++ b/addons/portal/views/portal_templates.xml
@@ -538,10 +538,20 @@
                      the message will be posted with the identity of the partner_id of the object
             :hash : signed token with the partner_id using `_sign_token` method (on mail.thread)
             :pid : identifier of the partner signing the token
+
+        NOTE: for standard portal flows, _get_page_view_values should be used to properly setup the template parameters
     -->
     <template id="message_thread">
-        <div id="discussion" data-anchor="true" class="d-print-none o_portal_chatter o_not_editable p-0"
-            t-att-data-token="token" t-att-data-res_model="object._name" t-att-data-pid="pid" t-att-data-hash="hash" t-att-data-res_id="object.id" t-att-data-pager_step="message_per_page or 10" t-att-data-allow_composer="'0' if disable_composer else '1'" t-att-data-two_columns="'true' if two_columns else 'false'">
+        <div id="discussion" data-anchor="true"
+            class="d-print-none o_portal_chatter o_not_editable p-0"
+            t-att-data-token="token"
+            t-att-data-res_model="object._name"
+            t-att-data-pid="pid"
+            t-att-data-hash="hash"
+            t-att-data-res_id="object.id"
+            t-att-data-pager_step="message_per_page or 10"
+            t-att-data-allow_composer="'0' if disable_composer else '1'"
+            t-att-data-two_columns="'true' if two_columns else 'false'">
         </div>
     </template>
 
diff --git a/addons/project/views/project_portal_templates.xml b/addons/project/views/project_portal_templates.xml
index 2e055e463d1..67f72e72f1b 100644
--- a/addons/project/views/project_portal_templates.xml
+++ b/addons/project/views/project_portal_templates.xml
@@ -310,12 +310,7 @@
 
                     <div class="mt32" id="task_chat" data-anchor="true">
                         <h4><strong>Message and communication history</strong></h4>
-                        <t t-call="portal.message_thread">
-                            <t t-set="object" t-value="task"/>
-                            <t t-set="token" t-value="task.access_token"/>
-                            <t t-set="pid" t-value="pid"/>
-                            <t t-set="hash" t-value="hash"/>
-                        </t>
+                        <t t-call="portal.message_thread"/>
                     </div>
                 </div>
             </div>
diff --git a/addons/purchase/views/portal_templates.xml b/addons/purchase/views/portal_templates.xml
index 3f819100713..dee46aed37d 100644
--- a/addons/purchase/views/portal_templates.xml
+++ b/addons/purchase/views/portal_templates.xml
@@ -185,9 +185,7 @@
                   <!-- chatter -->
                   <div id="purchase_order_communication" class="mt-4">
                       <h2>History</h2>
-                      <t t-call="portal.message_thread">
-                          <t t-set="object" t-value="order"/>
-                      </t>
+                      <t t-call="portal.message_thread"/>
                   </div>
               </div><!-- // #quote_content -->
           </div>
diff --git a/addons/sale/views/sale_portal_templates.xml b/addons/sale/views/sale_portal_templates.xml
index 8ffc1cd65c4..1279e2f3bf8 100644
--- a/addons/sale/views/sale_portal_templates.xml
+++ b/addons/sale/views/sale_portal_templates.xml
@@ -355,9 +355,7 @@
                     <!-- chatter -->
                     <div id="sale_order_communication" class="mt-4">
                         <h2>History</h2>
-                        <t t-call="portal.message_thread">
-                            <t t-set="object" t-value="sale_order"/>
-                        </t>
+                        <t t-call="portal.message_thread"/>
                     </div>
                 </div><!-- // #quote_content -->
             </div>