diff --git a/frontend/src/main.jsx b/frontend/src/main.jsx
index bbb52df..fb1da3e 100644
--- a/frontend/src/main.jsx
+++ b/frontend/src/main.jsx
@@ -327,6 +327,7 @@ function App() {
 
   const logout = () => {
     sessionStorage.removeItem('admin_password');
+    setLastUpdated(null);
     setPassword(null);
   };