diff --git a/config/graphqlite.php b/config/graphqlite.php
index eb50569..ae4e1f9 100644
--- a/config/graphqlite.php
+++ b/config/graphqlite.php
@@ -1,6 +1,7 @@
 <?php
 
 use GraphQL\Error\Debug;
+use TheCodingMachine\GraphQLite\Http\HttpCodeDecider;
 
 return [
     /*
@@ -21,4 +22,7 @@
     'debug' => Debug::RETHROW_UNSAFE_EXCEPTIONS,
     'uri' => env('GRAPHQLITE_URI', '/graphql'),
     'middleware' =>  ['web'],
+
+    // Sets the status code in the HTTP request where operations have errors.
+    'decider' => HttpCodeDecider::class,
 ];
diff --git a/src/Controllers/GraphQLiteController.php b/src/Controllers/GraphQLiteController.php
index 02b5705..345e530 100644
--- a/src/Controllers/GraphQLiteController.php
+++ b/src/Controllers/GraphQLiteController.php
@@ -11,6 +11,7 @@
 use GraphQL\Server\StandardServer;
 use GraphQL\Upload\UploadMiddleware;
 use TheCodingMachine\GraphQLite\Http\HttpCodeDecider;
+use TheCodingMachine\GraphQLite\Http\HttpCodeDeciderInterface;
 use function array_map;
 use function json_decode;
 use function json_last_error;
@@ -32,12 +33,15 @@ class GraphQLiteController
     private $standardServer;
     /** @var bool|int */
     private $debug;
+    /** @var HttpCodeDeciderInterface */
+    private $codeDecider;
 
     public function __construct(StandardServer $standardServer, HttpMessageFactoryInterface $httpMessageFactory = null, ?int $debug = DebugFlag::RETHROW_UNSAFE_EXCEPTIONS)
     {
         $this->standardServer = $standardServer;
         $this->httpMessageFactory = $httpMessageFactory ?: new DiactorosFactory();
         $this->debug = $debug === null ? false : $debug;
+        $this->codeDecider = new HttpCodeDecider();
     }
 
     /**
@@ -73,7 +77,7 @@ private function handlePsr7Request(ServerRequestInterface $request): JsonRespons
     {
         $result = $this->standardServer->executePsrRequest($request);
 
-        $httpCodeDecider = new HttpCodeDecider();
+        $httpCodeDecider = $this->codeDecider;
         if ($result instanceof ExecutionResult) {
             return new JsonResponse($result->toArray($this->debug), $httpCodeDecider->decideHttpStatusCode($result));
         }
@@ -91,4 +95,9 @@ private function handlePsr7Request(ServerRequestInterface $request): JsonRespons
         }
         throw new RuntimeException('Unexpected response from StandardServer::executePsrRequest'); // @codeCoverageIgnore
     }
+
+    public function setCodeDecider(HttpCodeDeciderInterface $decider): void
+    {
+        $this->codeDecider = $decider;
+    }
 }
diff --git a/src/Providers/GraphQLiteServiceProvider.php b/src/Providers/GraphQLiteServiceProvider.php
index 70db094..978f722 100644
--- a/src/Providers/GraphQLiteServiceProvider.php
+++ b/src/Providers/GraphQLiteServiceProvider.php
@@ -19,6 +19,7 @@
 use Symfony\Component\Cache\Psr16Cache;
 use TheCodingMachine\GraphQLite\Context\Context;
 use TheCodingMachine\GraphQLite\Exceptions\WebonyxErrorHandler;
+use TheCodingMachine\GraphQLite\Http\HttpCodeDecider;
 use TheCodingMachine\GraphQLite\Laravel\Listeners\CachePurger;
 use TheCodingMachine\GraphQLite\Laravel\Mappers\Parameters\ValidateFieldMiddleware;
 use TheCodingMachine\GraphQLite\Laravel\Mappers\PaginatorTypeMapper;
@@ -88,8 +89,14 @@ public function register()
 
         $this->app->singleton(GraphQLiteController::class, function (Application $app) {
             $debug = config('graphqlite.debug', DebugFlag::RETHROW_UNSAFE_EXCEPTIONS);
+            $controller = new GraphQLiteController($app[StandardServer::class], $app[HttpMessageFactoryInterface::class], $debug);
+            $decider = config('graphqlite.decider');
 
-            return new GraphQLiteController($app[StandardServer::class], $app[HttpMessageFactoryInterface::class], $debug);
+            if (!empty($decider)) {
+                $controller->setCodeDecider($app[$decider]);
+            }
+
+            return $controller;
         });
 
         $this->app->singleton(StandardServer::class, static function (Application $app) {
diff --git a/tests/Providers/GraphQLiteServiceProviderTest.php b/tests/Providers/GraphQLiteServiceProviderTest.php
index 72d53d7..85cffff 100644
--- a/tests/Providers/GraphQLiteServiceProviderTest.php
+++ b/tests/Providers/GraphQLiteServiceProviderTest.php
@@ -3,11 +3,20 @@
 namespace TheCodingMachine\GraphQLite\Laravel\Providers;
 
 
+use GraphQL\Error\Debug;
+use GraphQL\Executor\ExecutionResult;
+use GraphQL\Server\StandardServer;
 use Orchestra\Testbench\TestCase;
+use TheCodingMachine\GraphQLite\Http\HttpCodeDeciderInterface;
 use TheCodingMachine\GraphQLite\Laravel\Listeners\CachePurger;
 use TheCodingMachine\GraphQLite\Schema;
 use TheCodingMachine\TDBM\TDBMService;
 use function json_decode;
+use Illuminate\Http\Request;
+use Symfony\Bridge\PsrHttpMessage\Factory\PsrHttpFactory;
+use TheCodingMachine\GraphQLite\Laravel\Controllers\GraphQLiteController;
+use Symfony\Component\HttpFoundation\Request as SymfonyRequest;
+
 
 class GraphQLiteServiceProviderTest extends TestCase
 {
@@ -171,4 +180,43 @@ public function testCachePurger(): void
         $cachePurger->handle();
         $this->assertTrue(true);
     }
+
+    /**
+     * Asserts that the status code has been taken from the HttpCodeDeciderInterface.
+     */
+    public function testChangeTheCodeDecider()
+    {
+        $controller = $this->newGraphQLiteController();
+        $controller->setCodeDecider($this->newCodeDecider(418));
+
+        $response = $controller->index($this->newRequest());
+
+        $this->assertEquals(418, $response->getStatusCode());
+    }
+
+    private function newCodeDecider(int $statusCode): HttpCodeDeciderInterface
+    {
+        return new class implements HttpCodeDeciderInterface {
+            public function decideHttpStatusCode(ExecutionResult $result): int
+            {
+                return 418;
+            }
+        };
+    }
+
+    private function newGraphQLiteController(): GraphQLiteController
+    {
+        $server = $this->app->make(StandardServer::class);
+        $messageFactory = $this->app->make(PsrHttpFactory::class);
+        return new GraphQLiteController($server, $messageFactory, Debug::RETHROW_UNSAFE_EXCEPTIONS);
+    }
+
+    private function newRequest(): Request
+    {
+        $baseRequest = SymfonyRequest::create('https://localhost', 'GET', [
+            'query' => '{ testValidatorMultiple(foo:"192.168.1.1") }'
+        ]);
+
+        return Request::createFromBase($baseRequest);
+    }
 }