diff --git a/README.md b/README.md
index da3171e..26610a6 100644
--- a/README.md
+++ b/README.md
@@ -21,8 +21,8 @@
 - UseCase'ы по работе с личным кабинетом
 - Научиться поднимать базы данных под каждый тест - научиться Docker - docker-compose - а если тест что-то должен заполнить, то он заполняет в самом начале()
 - Возможно, сделать тесты на CI/CD - приоритет - низкий
-- Заменить internal_server_error на bad_request и перепроверить коды ошибок
-- Создание и удаление вспомогательных классов должно быть вынесено в фикстуру
+- ~~Заменить internal_server_error на bad_request и перепроверить коды ошибок~~
+- ~~Создание и удаление вспомогательных классов должно быть вынесено в фикстуру~~
 
 # UseCase'ы приложения:
 
diff --git a/src/endpoints_handlers/AuthLoginExecutor.h b/src/endpoints_handlers/AuthLoginExecutor.h
index d49e35e..47eef99 100644
--- a/src/endpoints_handlers/AuthLoginExecutor.h
+++ b/src/endpoints_handlers/AuthLoginExecutor.h
@@ -50,8 +50,8 @@ public:
     }
     catch (const system::system_error& err)
     {
-      BOOST_LOG_TRIVIAL(info) << "POST /api/v1/Auth/Login - Response 500: Cannot deserialize json";
-      throw session_exception(http::status::internal_server_error, "Cannot deserialize json");
+      BOOST_LOG_TRIVIAL(info) << "POST /api/v1/Auth/Login - Response 400: Cannot deserialize json";
+      throw session_exception(http::status::bad_request, "Cannot deserialize json");
     }
 
 
diff --git a/src/endpoints_handlers/AuthLogoutExecutor.h b/src/endpoints_handlers/AuthLogoutExecutor.h
index 152ce60..b78c2f9 100644
--- a/src/endpoints_handlers/AuthLogoutExecutor.h
+++ b/src/endpoints_handlers/AuthLogoutExecutor.h
@@ -43,8 +43,8 @@ public:
     }
     catch (const system::system_error& err)
     {
-      BOOST_LOG_TRIVIAL(error) << "POST /api/v1/Auth/Logout - Response 500: Cannot deserialize json";
-      throw session_exception(http::status::internal_server_error, "cannot deserialize json"s);
+      BOOST_LOG_TRIVIAL(error) << "POST /api/v1/Auth/Logout - Response 400: Cannot deserialize json";
+      throw session_exception(http::status::bad_request, "cannot deserialize json"s);
     }
 
     const std::string token = req_json.as_object().at("token").as_string().c_str();
diff --git a/src/endpoints_handlers/AuthRegistrationExecutor.h b/src/endpoints_handlers/AuthRegistrationExecutor.h
index f659856..0153454 100644
--- a/src/endpoints_handlers/AuthRegistrationExecutor.h
+++ b/src/endpoints_handlers/AuthRegistrationExecutor.h
@@ -44,8 +44,8 @@ public:
     }
     catch (const system::system_error& err)
     {
-      BOOST_LOG_TRIVIAL(error) << "POST /api/v1/Auth/Registration - Response 500: Cannot deserialize json";
-      throw session_exception(http::status::internal_server_error, "Cannot deserialize json");
+      BOOST_LOG_TRIVIAL(error) << "POST /api/v1/Auth/Registration - Response 400: Cannot deserialize json";
+      throw session_exception(http::status::bad_request, "Cannot deserialize json");
     }
 
     const std::string login = req_json.as_object().at("login").as_string().c_str();
diff --git a/tests/endpoint_handlers/AuthLoginExecutor_TEST.cpp b/tests/endpoint_handlers/AuthLoginExecutor_TEST.cpp
index bed4ef2..560ac7b 100644
--- a/tests/endpoint_handlers/AuthLoginExecutor_TEST.cpp
+++ b/tests/endpoint_handlers/AuthLoginExecutor_TEST.cpp
@@ -54,7 +54,7 @@ BOOST_FIXTURE_TEST_CASE(AuthRegistrationExecutor_Cannot_Serialize_JSON, AuthFixt
   BOOST_CHECK_EXCEPTION(executor(std::move(req)), session_exception,
                         [](const session_exception& e) -> bool
                         {
-                        return e.code == beast::http::status::internal_server_error;
+                        return e.code == beast::http::status::bad_request;
                         });
 
   mysql_session->close();
diff --git a/tests/endpoint_handlers/AuthLogoutExecutor_TEST.cpp b/tests/endpoint_handlers/AuthLogoutExecutor_TEST.cpp
index e1c958a..2a3d7b9 100644
--- a/tests/endpoint_handlers/AuthLogoutExecutor_TEST.cpp
+++ b/tests/endpoint_handlers/AuthLogoutExecutor_TEST.cpp
@@ -57,7 +57,7 @@ BOOST_FIXTURE_TEST_CASE(AuthRegistrationExecutor_Cant_Find_User_Token, AuthFixtu
   BOOST_CHECK_EXCEPTION(executor(std::move(req)), session_exception,
                         [](const session_exception& e) -> bool
                         {
-                        return e.code == beast::http::status::internal_server_error;
+                        return e.code == beast::http::status::bad_request;
                         });
 
   mysql_session->close();
diff --git a/tests/endpoint_handlers/AuthRegistrationExecutor_TEST.cpp b/tests/endpoint_handlers/AuthRegistrationExecutor_TEST.cpp
index bc2e6ea..b916bc2 100644
--- a/tests/endpoint_handlers/AuthRegistrationExecutor_TEST.cpp
+++ b/tests/endpoint_handlers/AuthRegistrationExecutor_TEST.cpp
@@ -35,7 +35,7 @@ BOOST_FIXTURE_TEST_CASE(AuthRegistrationExecutor_Failed_Parse_Payload, AuthFixtu
 
   BOOST_CHECK_EXCEPTION(executor(std::move(req)), session_exception, [](const session_exception& e) -> bool
   {
-    return e.code == beast::http::status::internal_server_error;
+    return e.code == beast::http::status::bad_request;
   });
 }