diff --git a/packages/orb.0.0.1~dev/opam b/packages/orb.0.0.1~dev/opam
index a441008..e640518 100644
--- a/packages/orb.0.0.1~dev/opam
+++ b/packages/orb.0.0.1~dev/opam
@@ -19,8 +19,8 @@ depends: [
 build: [
   ["dune" "subst"] {dev}
   ["dune" "build" "-p" name "-j" jobs]
-  ["sh" "packaging/FreeBSD/create_package.sh"] {os = "freebsd"}
-  ["sh" "packaging/debian/create_package.sh"] {os-family = "debian"}
+  ["sh" "-ex" "packaging/FreeBSD/create_package.sh"] {os = "freebsd"}
+  ["sh" "-ex" "packaging/debian/create_package.sh"] {os-family = "debian"}
 ]
 dev-repo: "git+https://github.com/roburio/orb.git"
 url {