diff --git a/src/Authentication/Authenticators/Session.php b/src/Authentication/Authenticators/Session.php
index 31836a631..1d3f7886c 100644
--- a/src/Authentication/Authenticators/Session.php
+++ b/src/Authentication/Authenticators/Session.php
@@ -927,9 +927,9 @@ protected function rememberUser(User $user): void
 
     private function calcExpires(): Time
     {
-        $timestamp = Time::now()->getTimestamp() + setting('Auth.sessionConfig')['rememberLength'];
+        $rememberLength = setting('Auth.sessionConfig')['rememberLength'];
 
-        return Time::createFromTimestamp($timestamp);
+        return Time::now()->addSeconds($rememberLength);
     }
 
     /**