diff --git a/tox.ini b/tox.ini
index eb2bec7d2f9b8ba10ead57bbc9cf2591a675e095..564dca2a3096faae4be0ab29bf09d6123251de43 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,7 +2,7 @@
 envlist = py36
 
 [flake8]
-exclude = venv,.tox
+exclude = venv,.tox,build
 
 [testenv]
 passenv = TEST_OPSDB_HOSTNAME TEST_OPSDB_DBNAME TEST_OPSDB_USERNAME TEST_OPSDB_PASSWORD