diff --git a/setup.cfg b/setup.cfg
index 8662b34f3fc..102507b9b14 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -5,4 +5,5 @@
 # 203 whitespace before ':'
 # 402 module level import not at top of file # TODO, we would like to improve this.
 # 501 is line length
-ignore = E128,E201,E202,E203,E501,E402
+# W503 is line breaks before binary operators, which has been reversed in PEP 8.
+ignore = E128,E201,E202,E203,E501,E402,W503