diff --git a/addons/project/views/project_portal_project_task_templates.xml b/addons/project/views/project_portal_project_task_templates.xml
index 382af555e97..2c65968f846 100644
--- a/addons/project/views/project_portal_project_task_templates.xml
+++ b/addons/project/views/project_portal_project_task_templates.xml
@@ -256,7 +256,7 @@
                                     <div class="d-flex my-2">
                                         <h5>Description</h5>
                                     </div>
-                                    <div class="py-1 px-2 bg-100 small" t-field="task.description"/>
+                                    <div class="py-1 px-2 bg-100 small table-responsive" t-field="task.description"/>
                                 </div>
                                 <div t-if="task.attachment_ids" t-attf-class="col-12 o_project_portal_attachments {{'col-lg-6' if task.description else 'col-lg-12'}}">
                                     <hr class="mb-1 d-none d-lg-block"/>
diff --git a/addons/web_editor/static/src/js/editor/odoo-editor/src/commands/commands.js b/addons/web_editor/static/src/js/editor/odoo-editor/src/commands/commands.js
index 8bc324ff1b0..37569552728 100644
--- a/addons/web_editor/static/src/js/editor/odoo-editor/src/commands/commands.js
+++ b/addons/web_editor/static/src/js/editor/odoo-editor/src/commands/commands.js
@@ -773,7 +773,6 @@ export const editorCommands = {
         const newRow = document.createElement('tr');
         newRow.style.height = referenceRowHeight + 'px';
         const cells = referenceRow.querySelectorAll('td');
-        const referenceRowWidths = [...cells].map(cell => cell.style.width || cell.clientWidth + 'px');
         newRow.append(...Array.from(Array(cells.length)).map(() => {
             const td = document.createElement('td');
             const p = document.createElement('p');
@@ -783,11 +782,10 @@ export const editorCommands = {
         }));
         referenceRow[beforeOrAfter](newRow);
         newRow.style.height = referenceRowHeight + 'px';
-        // Preserve the width of the columns (applied only on the first row).
         if (getRowIndex(newRow) === 0) {
             let columnIndex = 0;
-            for (const column of newRow.children) {
-                column.style.width = referenceRowWidths[columnIndex];
+            for (const newColumn of newRow.children) {
+                newColumn.style.width = cells[columnIndex].style.width;
                 cells[columnIndex].style.width = '';
                 columnIndex++;
             }