diff --git a/src/types/YXmlFragment.js b/src/types/YXmlFragment.js
index 1fd060b0..6fc0564e 100644
--- a/src/types/YXmlFragment.js
+++ b/src/types/YXmlFragment.js
@@ -83,7 +83,7 @@ export class YXmlTreeWalker {
      * @type {Item|null}
      */
     let n = this._currentNode
-    let type = /** @type {any} */ (n.content).type
+    let type = /** @type {any} */ n && n.content && (n.content).type
     if (n !== null && (!this._firstCall || n.deleted || !this._filter(type))) { // if first call, we check if we can use the first item
       do {
         type = /** @type {any} */ (n.content).type