diff --git a/test-infra/uncached-npm-install.sh b/test-infra/uncached-npm-install.sh
index 1c56249862..49c75192ba 100755
--- a/test-infra/uncached-npm-install.sh
+++ b/test-infra/uncached-npm-install.sh
@@ -1,4 +1,5 @@
 #!/bin/bash
+set -e
 cp test-infra/npm-shrinkwrap.canonical.json npm-shrinkwrap.json
 npm install
 rm npm-shrinkwrap.json