diff --git a/Makefile b/Makefile
index c193e67..f180e30 100644
--- a/Makefile
+++ b/Makefile
@@ -1,2 +1,2 @@
 test:
-	echo yadenon.py | entr sh -c 'python -m coverage run -m unittest yadenon && coverage report --omit=t/\* -m'
+	echo yadenon.py | entr sh -c 'python -m coverage run -m unittest --failfast yadenon && coverage report --omit=t/\* -m'