diff --git a/metadata_backend/api/middlewares.py b/metadata_backend/api/middlewares.py
index fbe5fcb70..4545a9912 100644
--- a/metadata_backend/api/middlewares.py
+++ b/metadata_backend/api/middlewares.py
@@ -47,13 +47,11 @@ async def http_error_handler(req: Request, handler: Callable) -> Response:
         LOG.error(details)
         c_type = "application/problem+json"
         if error.status == 400:
-            _check_error_page_requested(req, 500)
+            _check_error_page_requested(req, 400)
             raise web.HTTPBadRequest(text=details, content_type=c_type)
         elif error.status == 401:
             _check_error_page_requested(req, 401)
-            raise web.HTTPUnauthorized(
-                headers={"WWW-Authenticate": 'OAuth realm="/", charset="UTF-8"'}, text=details, content_type=c_type
-            )
+            raise web.HTTPUnauthorized(headers={"WWW-Authenticate": 'OAuth realm="/", charset="UTF-8"'}, text=details, content_type=c_type)
         elif error.status == 403:
             _check_error_page_requested(req, 403)
             raise web.HTTPForbidden(text=details, content_type=c_type)
@@ -61,10 +59,10 @@ async def http_error_handler(req: Request, handler: Callable) -> Response:
             _check_error_page_requested(req, 404)
             raise web.HTTPNotFound(text=details, content_type=c_type)
         elif error.status == 415:
-            _check_error_page_requested(req, 500)
+            _check_error_page_requested(req, 400)
             raise web.HTTPUnsupportedMediaType(text=details, content_type=c_type)
         elif error.status == 422:
-            _check_error_page_requested(req, 500)
+            _check_error_page_requested(req, 400)
             raise web.HTTPUnprocessableEntity(text=details, content_type=c_type)
         else:
             _check_error_page_requested(req, 500)