diff --git a/src/Login.tsx b/src/Login.tsx
index 308a289..ae31add 100644
--- a/src/Login.tsx
+++ b/src/Login.tsx
@@ -39,11 +39,13 @@ export const Login = ({ onLogin }: LoginProps) => {
   }
 
   useEffect(() => {
-    const queryUsername = location.state.username;
-    const queryPassword = location.state.password;
-    if (queryUsername) setUsername(queryUsername);
-    if (queryPassword) setPassword(queryPassword);
-    navigate(location.pathname, { replace: true });
+    if (location.state) {
+      const queryUsername = location.state.username;
+      const queryPassword = location.state.password;
+      if (queryUsername) setUsername(queryUsername);
+      if (queryPassword) setPassword(queryPassword);
+      navigate(location.pathname, { replace: true });
+    }
   }, []);
 
   return (