diff --git a/src/Http/Middleware/AuthenticateApiKey.php b/src/Http/Middleware/AuthenticateApiKey.php
index b0f5b1d40..9a1615610 100644
--- a/src/Http/Middleware/AuthenticateApiKey.php
+++ b/src/Http/Middleware/AuthenticateApiKey.php
@@ -55,8 +55,8 @@ protected function unauthorizedResponse()
     {
         return response([
             'error' => [
-                'code'      => '401',
-                'http_code' => 'GEN-UNAUTHORIZED',
+                'code'      => 'GEN-UNAUTHORIZED',
+                'http_code' => 401,
                 'message'   => 'Unauthorized.',
             ],
         ], 401);