diff --git a/addons/web_editor/static/src/js/backend/convert_inline.js b/addons/web_editor/static/src/js/backend/convert_inline.js
index 6753fae8ff3..4f6c7afea27 100644
--- a/addons/web_editor/static/src/js/backend/convert_inline.js
+++ b/addons/web_editor/static/src/js/backend/convert_inline.js
@@ -11,6 +11,7 @@ import { isBlock, rgbToHex } from '../../../lib/odoo-editor/src/utils/utils';
 const RE_COL_MATCH = /(^| )col(-[\w\d]+)*( |$)/;
 const RE_OFFSET_MATCH = /(^| )offset(-[\w\d]+)*( |$)/;
 const RE_PADDING = /([\d.]+)/;
+const RE_WHITESPACE = /[\s\u200b]*/;
 const SELECTORS_IGNORE = /(^\*$|:hover|:before|:after|:active|:link|::|'|\([^(),]+[,(])/;
 // Attributes all tables should have in a mailing.
 const TABLE_ATTRIBUTES = {
@@ -248,25 +249,33 @@ function cardToTable($editable) {
         const $card = $(card);
         const $table = _createTable(card.attributes);
         for (const child of [...card.childNodes]) {
-            if (child.nodeType === Node.TEXT_NODE) {
-                $table.append(child);
-            } else {
-                const $row = $('<tr/>');
-                const $col = $('<td/>');
-                if (child.nodeName === 'IMG') {
+            const $row = $('<tr/>');
+            const $col = $('<td/>');
+            if (child.nodeName === 'IMG') {
+                $col.append(child);
+            } else if (child.nodeType === Node.TEXT_NODE) {
+                if (child.textContent.replace(RE_WHITESPACE, '').length) {
                     $col.append(child);
                 } else {
-                    for (const attr of child.attributes) {
-                        $col.attr(attr.name, attr.value);
-                    }
-                    for (const descendant of [...child.childNodes]) {
-                        $col.append(descendant);
-                    }
-                    $(child).remove();
+                    continue;
                 }
-                $row.append($col);
-                $table.append($row);
+            } else {
+                for (const attr of child.attributes) {
+                    $col.attr(attr.name, attr.value);
+                }
+                for (const descendant of [...child.childNodes]) {
+                    $col.append(descendant);
+                }
+                $(child).remove();
             }
+            const $subTable = _createTable();
+            const $superRow = $('<tr/>');
+            const $superCol = $('<td/>');
+            $row.append($col);
+            $subTable.append($row);
+            $superCol.append($subTable);
+            $superRow.append($superCol);
+            $table.append($superRow);
         }
         $card.before($table);
         $card.remove();
diff --git a/addons/web_editor/static/tests/convert_inline_tests.js b/addons/web_editor/static/tests/convert_inline_tests.js
index 0a642959dcf..19020c47e21 100644
--- a/addons/web_editor/static/tests/convert_inline_tests.js
+++ b/addons/web_editor/static/tests/convert_inline_tests.js
@@ -251,9 +251,27 @@ QUnit.module('convert_inline', {}, function () {
         assert.strictEqual($editable.html(),
             getRegularTableHtml(3, 1, 12, 100)
                 .split('style="').join('class="card" style="')
-                .replace(/<td[^>]*>\(0, 0\)<\/td>/, '<td class="card-header"><span>HEADER</span></td>')
-                .replace(/<td[^>]*>\(1, 0\)<\/td>/, '<td class="card-body"><h2 class="card-title">TITLE</h2><small>BODY <img></small></td>')
-                .replace(/<td[^>]*>\(2, 0\)<\/td>/, '<td class="card-footer"><a href="#" class="btn">FOOTER</a></td>'),
+                .replace(/<td[^>]*>\(0, 0\)<\/td>/,
+                    `<td>` +
+                        `<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\" align=\"center\" ` +
+                        `role=\"presentation\" style=\"width: 100% !important; border-collapse: collapse; text-align: inherit; ` +
+                        `font-size: unset; line-height: unset;\"><tr>` +
+                            `<td class="card-header"><span>HEADER</span></td>` +
+                        `</tr></table></td>`)
+                .replace(/<td[^>]*>\(1, 0\)<\/td>/,
+                    `<td>` +
+                        `<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\" align=\"center\" ` +
+                        `role=\"presentation\" style=\"width: 100% !important; border-collapse: collapse; text-align: inherit; ` +
+                        `font-size: unset; line-height: unset;\"><tr>` +
+                            `<td class="card-body"><h2 class="card-title">TITLE</h2><small>BODY <img></small></td>` +
+                        `</tr></table></td>`)
+                .replace(/<td[^>]*>\(2, 0\)<\/td>/,
+                    `<td>` +
+                        `<table cellspacing=\"0\" cellpadding=\"0\" border=\"0\" width=\"100%\" align=\"center\" ` +
+                        `role=\"presentation\" style=\"width: 100% !important; border-collapse: collapse; text-align: inherit; ` +
+                        `font-size: unset; line-height: unset;\"><tr>` +
+                            `<td class="card-footer"><a href="#" class="btn">FOOTER</a></td>` +
+                        `</tr></table></td>`),
             "should have converted a card structure into a table");
     });
     QUnit.test('convert a list group to a table', async function (assert) {