diff --git a/pytest.sh b/pytest.sh
index 957cda2..5f198a5 100755
--- a/pytest.sh
+++ b/pytest.sh
@@ -1,5 +1,6 @@
 #! /bin/bash
 # run python unittests
+set -e
 
 coverage run manage.py test > /dev/null
 coverage report -m