diff --git a/js/main.js b/js/main.js
index 2919bc6..d87627f 100644
--- a/js/main.js
+++ b/js/main.js
@@ -45,7 +45,7 @@ function getTokenConfig() {
 }
 
 function checkValidity() {
-    const created = localStorage.getItem('created');
+    const created = +localStorage.getItem('created');
     const ttl = localStorage.getItem('ttl');
 
     if (isCheckingToken || !created) return;