diff --git a/src/main.rs b/src/main.rs
index c5bc049..9339b35 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -214,8 +214,7 @@ impl User {
         };
         if cookies.get(TOKEN_EXPIRE_COOKIE)
             .map(|expire| expire.value().parse::<i64>())
-            .map(Result::ok)
-            .flatten()
+            .and_then(Result::ok)
             .map_or(true, |timestamp| Utc::now().timestamp() >= timestamp) {
                 cookies.remove_private(Cookie::named(TOKEN_COOKIE));
                 cookies.remove(Cookie::named(TOKEN_EXPIRE_COOKIE));