diff --git a/script/index.js b/script/index.js
index 17cbd3f..d45d69a 100644
--- a/script/index.js
+++ b/script/index.js
@@ -20,7 +20,7 @@ function main(game) {
 
     const data = localStorage.getItem('data')
 
-    if (data) {
+    if (typeof(data) === 'string') {
         
         const checkInputsResult = Object.values(JSON.parse(data))