diff --git a/tox.ini b/tox.ini
index eaad4bcdb..a6e597194 100644
--- a/tox.ini
+++ b/tox.ini
@@ -2,7 +2,7 @@
 envlist = flake8, pylint, yamllint, unit, integration, docs
 
 [flake8]
-ignore = E221,E241,E501
+ignore = E221,E241,E501,W504
 max-line-length = 110
 
 [testenv]