diff --git a/spec/build/api/core/RequestSpec.php b/spec/build/api/core/RequestSpec.php
index 7332de4..ab5849c 100644
--- a/spec/build/api/core/RequestSpec.php
+++ b/spec/build/api/core/RequestSpec.php
@@ -7,6 +7,7 @@
 	use api\core\Checker;
 	use api\core\AuthSystem;
 	use api\core\AuthSystemDefault;
+	use api\core\ModuleFactory;
 	use error\core\Error;
 	use error\core\Err;
 
@@ -771,6 +772,25 @@
 
 					});
 
+					it('fail when ModuleFactory have an error', function(){
+
+						// bypass constructor
+						allow(Request::class)->toReceive('buildRequestObject')->andRun(function(){
+							$this->error = new Error(Err::UnknownError);
+						});
+
+						// bypass ModuleFactory
+						allow(ModuleFactory::class)->toReceive('::getModule')->andRun(function(){
+							return new Error(Err::UnknownError);
+						});
+
+						$req = new Request();
+						$res = $req->dispatch();
+						expect($res)->toBeAnInstanceOf('\\api\\core\\Response');
+						expect($res->error->get())->toBe(Err::UnknownError);
+
+					});
+
 				});
 
 			});