diff --git a/vagrant_init.sh b/vagrant_init.sh
index 4f5cf920..70e107ca 100644
--- a/vagrant_init.sh
+++ b/vagrant_init.sh
@@ -10,6 +10,7 @@
 # from the root of the zipline github checkout.
 # This will put the zipline code in the
 # /vagrant folder in the system.
+set -e
 
 VAGRANT_LOG="/home/vagrant/vagrant.log"