diff --git a/tox.ini b/tox.ini
index aaeadc28..f63c3ce5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,7 +17,7 @@ envdir = venv-{[tox]project}
 commands =
 
 [pep8]
-ignore = E265,E501
+ignore = E265,E501,W504
 
 [pytest]
 env =