diff --git a/addons/portal/views/portal_templates.xml b/addons/portal/views/portal_templates.xml
index 1d4bc20d638..31155d0d21e 100644
--- a/addons/portal/views/portal_templates.xml
+++ b/addons/portal/views/portal_templates.xml
@@ -73,6 +73,13 @@
         </ol>
     </template>
 
+    <template id="portal_back_in_edit_mode" name="Back to edit mode">
+        <div t-ignore="true" class="text-center">
+            This is a preview of the customer portal. <a t-att-href="backend_url"><i class="fa fa-arrow-right"/> Back to edit mode</a>
+        </div>
+        <button type="button" class="close" data-dismiss="alert" aria-label="Close"> &#215; </button>
+    </template>
+
     <template id="portal_layout" name="Portal Layout">
         <t t-call="portal.frontend_layout">
             <div t-if="o_portal_fullwidth_alert" class="alert alert-info alert-dismissible rounded-0 fade show d-print-none css_editable_mode_hidden">
diff --git a/addons/project/views/project_portal_templates.xml b/addons/project/views/project_portal_templates.xml
index df106561afe..2b710bf4205 100644
--- a/addons/project/views/project_portal_templates.xml
+++ b/addons/project/views/project_portal_templates.xml
@@ -69,13 +69,9 @@
             <t t-set="wrapwrap_classes" t-value="'o_portal_bg_dark'"/>
 
             <t t-set="o_portal_fullwidth_alert" groups="project.group_project_user">
-                <div t-ignore="true" class="text-center">
-                    This is a preview of the customer portal <i class="fa fa-chevron-right"/>
-                    <a title="Edit in the backend" target="_blank" t-att-href="'/web#return_label=Website&amp;model=project.project&amp;id=%s&amp;view_type=form' % (project.id)">
-                        <b>Back in edit mode</b>.
-                    </a>
-                </div>
-                <button type="button" class="close" data-dismiss="alert" aria-label="Close">&#215;</button>
+                <t t-call="portal.portal_back_in_edit_mode">
+                    <t t-set="backend_url" t-value="'/web#return_label=Website&amp;model=project.project&amp;id=%s&amp;view_type=form' % (project.id)"/>
+                </t>
             </t>
 
             <t t-call="portal.portal_record_layout">
@@ -174,13 +170,9 @@
             <t t-set="wrapwrap_classes" t-value="'o_portal_bg_dark'"/>
 
             <t t-set="o_portal_fullwidth_alert" groups="project.group_project_user">
-                <div t-ignore="true" class="text-center">
-                    This is a preview of the customer portal <i class="fa fa-chevron-right"/>
-                    <a title="Edit in the backend" target="_blank" t-att-href="'/web#return_label=Website&amp;model=project.task&amp;id=%s&amp;view_type=form' % (task.id)">
-                        <b>Back in edit mode</b>.
-                    </a>
-                </div>
-                <button type="button" class="close" data-dismiss="alert" aria-label="Close">&#215;</button>
+                <t t-call="portal.portal_back_in_edit_mode">
+                    <t t-set="backend_url" t-value="'/web#return_label=Website&amp;model=project.task&amp;id=%s&amp;view_type=form' % (task.id)"/>
+                </t>
             </t>
 
             <t t-call="portal.portal_record_layout">
diff --git a/addons/sale/views/sale_portal_templates.xml b/addons/sale/views/sale_portal_templates.xml
index 8c7df4089cd..d7759c9bbb3 100644
--- a/addons/sale/views/sale_portal_templates.xml
+++ b/addons/sale/views/sale_portal_templates.xml
@@ -118,13 +118,9 @@
             <t t-set="wrapwrap_classes" t-value="'o_portal_bg_dark'"/>
 
             <t t-set="o_portal_fullwidth_alert" groups="sales_team.group_sale_salesman">
-                <div t-ignore="true" class="text-center">
-                    This is a preview of the customer portal <i class="fa fa-chevron-right"/>
-                    <a t-att-href="'/web#return_label=Website&amp;model=%s&amp;id=%s&amp;action=%s&amp;view_type=form' % (sale_order._name, sale_order.id, sale_order.env.ref('sale.action_quotations').id)">
-                        <b>Back in edit mode</b>.
-                    </a>
-                </div>
-                <button type="button" class="close" data-dismiss="alert" aria-label="Close"> &#215; </button>
+                <t t-call="portal.portal_back_in_edit_mode">
+                    <t t-set="backend_url" t-value="'/web#return_label=Website&amp;model=%s&amp;id=%s&amp;action=%s&amp;view_type=form' % (sale_order._name, sale_order.id, sale_order.env.ref('sale.action_quotations').id)"/>
+                </t>
             </t>
 
             <div class="row mt16 o_portal_sale_sidebar">