diff --git a/scrapy/downloadermiddlewares/redirect.py b/scrapy/downloadermiddlewares/redirect.py
index ebff4717b..8e16cc9bd 100644
--- a/scrapy/downloadermiddlewares/redirect.py
+++ b/scrapy/downloadermiddlewares/redirect.py
@@ -11,7 +11,7 @@ from scrapy.exceptions import IgnoreRequest, NotConfigured
 logger = logging.getLogger(__name__)
 
 
-def _build_redirect_request(source_request, *, url, **kwargs):
+def _build_redirect_request(source_request, url, **kwargs):
     redirect_request = source_request.replace(
         url=url,
         **kwargs,