diff --git a/tox.ini b/tox.ini
index 4c83764..949796c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,8 +4,9 @@ envlist = py{36,37,38,39}-wagtail{212,213}, lint
 
 [flake8]
 
-# Ignore line length rules. Black should take care of this
-ignore=E501
+# E501: Ignore line length rules. Black should take care of this.
+# W503: Ignore line break before binary operator which is due to change anyway (https://www.flake8rules.com/rules/W503.html)
+ignore=E501,W503
 
 exclude=.git,__pycache__,dist,.tox,venv,*/migrations/*