[flake8] max-line-length = 88
diff --git a/tox.ini b/tox.ini
index fdf5b90..6337825 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,18 +8,21 @@
 commands =
     pytest
 
+[flake8]
+max-line-length = 88
+
 [testenv:flake8]
 deps =
     flake8
 commands =
-    flake8 --max-line-length=88
+    flake8
 
 [testenv:docstrings]
 deps =
     flake8
     flake8-docstrings
 commands =
-    flake8 --max-line-length=88
+    flake8
 
 [testenv:release]
 deps =