diff --git a/.travis.yml b/.travis.yml
index cb89adfeb..fb83a195f 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -12,7 +12,7 @@ script:
 
 deploy:
     provider: script
-    script: deploy.bash
+    script: bash deploy.bash
     skip_cleanup: true
     on:
         branch: master
diff --git a/deploy.bash b/deploy.bash
index d326e0b80..c4350fa6c 100755
--- a/deploy.bash
+++ b/deploy.bash
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -ex
 make package
 pip install awscli
 aws s3 cp --acl public-read build/peps.tar.gz s3://pythondotorg-assets-staging/peps.tar.gz