diff --git a/Makefile b/Makefile
index 67b2e9b..8ce3f3f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,3 @@
 
 all:
-	flake8 --ignore=F403,F405 port_stats/
+	python2-flake8 --ignore=F403,F405 port_stats/