diff --git a/dev_env_setup.sh b/dev_env_setup.sh
index 4768ee4..03eaa70 100644
--- a/dev_env_setup.sh
+++ b/dev_env_setup.sh
@@ -1,5 +1,7 @@
 #!/bin/bash
 
+set -e
+
 virtualenv cbmi
 cd cbmi
 source bin/activate