diff --git a/Makefile b/Makefile
index 6da226b9d..888c3e37e 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,7 @@
 flake:
 	flake8 sklego
 	flake8 tests
+	flake8 setup.py
 
 install:
 	pip install -e .
diff --git a/setup.py b/setup.py
index 639c3d876..eb1e40f5b 100644
--- a/setup.py
+++ b/setup.py
@@ -8,7 +8,7 @@
 dev_packages = docs_packages + ["flake8>=3.6.0", "matplotlib>=3.0.2",
                                 "pytest==4.0.2", "nbval>=0.9.1",
                                 "plotnine>=0.5.1", "jupyter==1.0.0",
-                                "jupyterlab==0.35.4",]
+                                "jupyterlab==0.35.4"]
 
 
 def read(fname):