diff --git a/setup.cfg b/setup.cfg
index dfc0c6d0..39633dc1 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -14,3 +14,6 @@ ignore =
   # Line break before binary operator
   W503,
 exclude = jedi/third_party/* .tox/*
+
+[pycodestyle]
+max-line-length = 100
diff --git a/tox.ini b/tox.ini
index 24da7c73..dfa023c2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -41,5 +41,3 @@ commands =
 commands = flake8 --extend-ignore F401 {posargs:jedi}
 deps =
 extras = qa
-[pycodestyle]
-max-line-length=100