diff --git a/addons/web_editor/static/src/js/editor/odoo-editor/src/OdooEditor.js b/addons/web_editor/static/src/js/editor/odoo-editor/src/OdooEditor.js
index 84581ef0d94..0c68301015e 100644
--- a/addons/web_editor/static/src/js/editor/odoo-editor/src/OdooEditor.js
+++ b/addons/web_editor/static/src/js/editor/odoo-editor/src/OdooEditor.js
@@ -332,12 +332,12 @@ export class OdooEditor extends EventTarget {
         // Convention: root node is ID root.
         editable.oid = 'root';
         this._idToNodeMap.set(1, editable);
+        this.editable = editable;
+        this.editable.classList.add("odoo-editor-editable");
         if (this.options.toSanitize) {
             sanitize(editable);
             this.options.onPostSanitize(editable);
         }
-        this.editable = editable;
-        this.editable.classList.add("odoo-editor-editable");
         this.editable.setAttribute('dir', this.options.direction);
 
         // Set contenteditable before clone as FF updates the content at this point.