diff --git a/src/Http/Controllers/AccessTokenController.php b/src/Http/Controllers/AccessTokenController.php
index 3667c2d92..3bfc4259c 100644
--- a/src/Http/Controllers/AccessTokenController.php
+++ b/src/Http/Controllers/AccessTokenController.php
@@ -57,6 +57,7 @@ public function __construct(AuthorizationServer $server,
      *
      * @param  \Psr\Http\Message\ServerRequestInterface  $request
      * @return \Illuminate\Http\Response
+     * @throws \Laravel\Passport\Exceptions\OAuthServerException
      */
     public function issueToken(ServerRequestInterface $request)
     {