diff --git a/Makefile b/Makefile
index b5f7c7a..84bba29 100644
--- a/Makefile
+++ b/Makefile
@@ -12,3 +12,6 @@ venv:
 
 tests:
 	${PYTHON} -m pytest --cov=pdfplumber --cov-config=.coveragerc --cov-report xml:coverage.xml --cov-report term
+
+format:
+	${PYTHON} -m flake8 pdfplumber
diff --git a/setup.cfg b/setup.cfg
index 770c0cc..cec2846 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,3 +1,6 @@
+[flake8]
+ignore = W503,E
+
 [tox]
 envlist = py35,py36,py37,py38
 toxworkdir={env:TOX_WORK_DIR:.tox}