diff --git a/framework/core/src/Api/ApiServiceProvider.php b/framework/core/src/Api/ApiServiceProvider.php
index 5d1e28b192..acd7a8b636 100644
--- a/framework/core/src/Api/ApiServiceProvider.php
+++ b/framework/core/src/Api/ApiServiceProvider.php
@@ -56,7 +56,7 @@ public function register(): void
         $this->container->singleton('flarum.api.middleware', function () {
             return [
                 HttpMiddleware\InjectActorReference::class,
-                //                'flarum.api.error_handler',
+                'flarum.api.error_handler',
                 HttpMiddleware\ParseJsonBody::class,
                 Middleware\FakeHttpMethods::class,
                 HttpMiddleware\StartSession::class,