diff --git a/addons/web_editor/static/src/js/wysiwyg/wysiwyg.js b/addons/web_editor/static/src/js/wysiwyg/wysiwyg.js
index 716f7db3087..5048df1bf0e 100644
--- a/addons/web_editor/static/src/js/wysiwyg/wysiwyg.js
+++ b/addons/web_editor/static/src/js/wysiwyg/wysiwyg.js
@@ -3007,6 +3007,9 @@ export class Wysiwyg extends Component {
         return record;
     }
     _isLastDocumentStale() {
+        if (!this._serverLastStepId) {
+            return false;
+        }
         return !this.odooEditor.historyGetBranchIds().includes(this._serverLastStepId);
     }
     /**