diff --git a/src/Illuminate/Contracts/Auth/StatefulGuard.php b/src/Illuminate/Contracts/Auth/StatefulGuard.php
index <HASH>..<HASH> 100644
--- a/src/Illuminate/Contracts/Auth/StatefulGuard.php
+++ b/src/Illuminate/Contracts/Auth/StatefulGuard.php
@@ -43,7 +43,7 @@ interface StatefulGuard extends Guard
      * Log the given user ID into the application without sessions or cookies.
      *
      * @param  mixed  $id
-     * @return bool
+     * @return \Illuminate\Contracts\Auth\Authenticatable|bool
      */
     public function onceUsingId($id);
Widen return of StatefulGuard::onceUsingId() (#<I>)