diff --git a/setup.cfg b/setup.cfg
index 898defb9db..13dcd8af63 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -2,5 +2,5 @@
 universal = True
 
 [flake8]
-exclude = youtube_dl/extractor/__init__.py,devscripts/buildserver.py,setup.py
+exclude = youtube_dl/extractor/__init__.py,devscripts/buildserver.py,setup.py,build
 ignore = E501