diff --git a/automation/catch-uncommitted-output b/automation/catch-uncommitted-output
index ccbf3bc3..4e2e2c02 100755
--- a/automation/catch-uncommitted-output
+++ b/automation/catch-uncommitted-output
@@ -1,4 +1,5 @@
 #!/bin/sh
+set -e
 
 npm run build