diff --git a/src/main.js b/src/main.js
index 3c20f13..3723fa2 100644
--- a/src/main.js
+++ b/src/main.js
@@ -6729,7 +6729,7 @@ function outliner(object = undefined) {
 async function startup() {
   await loadConfig();
   createNewFileDialog(_newFile, _open, config);
-  if (!window.openedFiles) {
+  if (!window.openedFiles?.length) {
     showNewFileDialog(config);
   }
 }