diff --git a/addons/account/views/report_invoice.xml b/addons/account/views/report_invoice.xml
index 043c5a3cc47..8c3da3ae101 100644
--- a/addons/account/views/report_invoice.xml
+++ b/addons/account/views/report_invoice.xml
@@ -51,12 +51,16 @@
                     <table class="table table-sm o_main_table" name="invoice_line_table">
                         <thead>
                             <tr>
+                                <!-- TODO: remove in master -->
+                                <t t-set="colspan" t-value="6"/>
                                 <th class="text-left"><span>Description</span></th>
                                 <th class="d-none text-left"><span>Source Document</span></th>
                                 <th class="text-right"><span>Quantity</span></th>
                                 <th t-attf-class="text-right {{ 'd-none d-md-table-cell' if report_type == 'html' else '' }}"><span>Unit Price</span></th>
                                 <th t-if="display_discount" t-attf-class="text-right {{ 'd-none d-md-table-cell' if report_type == 'html' else '' }}">
                                     <span>Disc.(%)</span>
+                                    <!-- TODO: remove in master -->
+                                    <t t-set="colspan" t-value="colspan+1"/>
                                 </th>
                                 <th t-attf-class="text-left {{ 'd-none d-md-table-cell' if report_type == 'html' else '' }}"><span>Taxes</span></th>
                                 <th class="text-right">
diff --git a/addons/sale/report/sale_report_templates.xml b/addons/sale/report/sale_report_templates.xml
index 380596eb181..c8c9612326a 100644
--- a/addons/sale/report/sale_report_templates.xml
+++ b/addons/sale/report/sale_report_templates.xml
@@ -70,11 +70,15 @@
             <table class="table table-sm o_main_table">
                 <thead>
                     <tr>
+                        <!-- TODO: remove in master -->
+                        <t t-set="colspan" t-value="5"/>
                         <th class="text-left">Description</th>
                         <th class="text-right">Quantity</th>
                         <th class="text-right">Unit Price</th>
                         <th t-if="display_discount" class="text-right" groups="sale.group_discount_per_so_line">
                             <span>Disc.(%)</span>
+                            <!-- TODO: remove in master -->
+                            <t t-set="colspan" t-value="colspan+1"/>
                         </th>
                         <th class="text-right">Taxes</th>
                         <th class="text-right">
diff --git a/addons/sale/views/sale_portal_templates.xml b/addons/sale/views/sale_portal_templates.xml
index 62d55ba7741..4ae836005c7 100644
--- a/addons/sale/views/sale_portal_templates.xml
+++ b/addons/sale/views/sale_portal_templates.xml
@@ -428,11 +428,15 @@
                 <table class="table table-sm" id="sales_order_table">
                     <thead class="bg-100">
                         <tr>
+                            <!-- TODO: remove in master -->
+                            <t t-set="colspan" t-value="6"/>
                             <th class="text-left">Products</th>
                             <th class="text-right">Quantity</th>
                             <th t-attf-class="text-right {{ 'd-none d-sm-table-cell' if report_type == 'html' else '' }}">Unit Price</th>
                             <th t-if="display_discount" t-attf-class="text-right {{ 'd-none d-sm-table-cell' if report_type == 'html' else '' }}">
                                 <span>Discount</span>
+                                <!-- TODO: remove in master -->
+                                <t t-set="colspan" t-value="colspan+1"/>
                             </th>
                             <th t-attf-class="text-right {{ 'd-none d-md-table-cell' if report_type == 'html' else '' }}">Taxes</th>
                             <th class="text-right" >
diff --git a/addons/sale_management/views/sale_portal_templates.xml b/addons/sale_management/views/sale_portal_templates.xml
index 90d2100ba4a..f29a538dd0e 100644
--- a/addons/sale_management/views/sale_portal_templates.xml
+++ b/addons/sale_management/views/sale_portal_templates.xml
@@ -15,6 +15,7 @@
 
         <xpath expr="//section[@id='details']//table[@id='sales_order_table']/thead/tr" position="inside">
             <th t-if="display_remove">
+                <!-- TODO: remove in master -->
                 <t t-set="colspan" t-value="colspan+1"/>
             </th>
         </xpath>