diff --git a/fetch-info b/fetch-info
index f9cc9b1..e1cdcb4 100755
--- a/fetch-info
+++ b/fetch-info
@@ -1,6 +1,6 @@
 #!/bin/bash
 
-set -o errexit
+set -o errexit -o nounset -o pipefail
 
 user=root