diff --git a/to-be-run-in-vm.sh b/to-be-run-in-vm.sh
index a938334..6ae0b69 100644
--- a/to-be-run-in-vm.sh
+++ b/to-be-run-in-vm.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
+set -e
 
 if [ "$#" -ne 1 ]; then
   echo "Usage: $0 shepherd"