diff --git a/framework/core/js/lib/utils/extractText.js b/framework/core/js/lib/utils/extractText.js
index faa6bd048..13d55862e 100644
--- a/framework/core/js/lib/utils/extractText.js
+++ b/framework/core/js/lib/utils/extractText.js
@@ -7,7 +7,7 @@
 export default function extractText(vdom) {
   if (vdom instanceof Array) {
     return vdom.map(element => extractText(element)).join('');
-  } else if (typeof vdom === 'object') {
+  } else if (typeof vdom === 'object' && vdom !== null) {
     return extractText(vdom.children);
   } else {
     return vdom;