diff --git a/src/Passport.php b/src/Passport.php
index d1a6c0e90..04061f6d6 100644
--- a/src/Passport.php
+++ b/src/Passport.php
@@ -177,6 +177,13 @@ class Passport
      */
     public static $authorizationServerResponseType;
 
+    /**
+     * The authorization validator.
+     *
+     * @var \League\OAuth2\Server\AuthorizationValidators\AuthorizationValidatorInterface|null
+     */
+    public static $authorizationValidator;
+
     /**
      * Indicates if Passport routes will be registered.
      *
diff --git a/src/PassportServiceProvider.php b/src/PassportServiceProvider.php
index 99e345e17..c24dfdfdf 100644
--- a/src/PassportServiceProvider.php
+++ b/src/PassportServiceProvider.php
@@ -310,7 +310,8 @@ protected function registerResourceServer()
         $this->app->singleton(ResourceServer::class, function ($container) {
             return new ResourceServer(
                 $container->make(Bridge\AccessTokenRepository::class),
-                $this->makeCryptKey('public')
+                $this->makeCryptKey('public'),
+                Passport::$authorizationValidator
             );
         });
     }