diff --git a/setup.cfg b/setup.cfg
index 24a2aaa..076f341 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -76,4 +76,4 @@ all =
 [flake8]
 exclude = .git,.tox,.github,.eggs,__pycache__,doc/conf.py,build,dist,capabilities-data,test,src/escpos/constants.py
 max-line-length = 120
-extend-ignore =
+extend-ignore = W503