diff --git a/packages/boshupdate_exporter/packaging b/packages/boshupdate_exporter/packaging
index d9fae8c..dee973a 100644
--- a/packages/boshupdate_exporter/packaging
+++ b/packages/boshupdate_exporter/packaging
@@ -1,10 +1,10 @@
-#!/bin/bash -eu
+#!/bin/bash -e
 
 ostype=$(uname  | tr '[:upper:]' '[:lower:]')
-if [ -z "$BOSH_PACKAGES_DIR" ]; then
+if [ -z "${BOSH_PACKAGES_DIR}" ]; then
     pkg_dir=$(readlink -nf /var/vcap/packages/golang-1.12-${ostype})
 else
-  pkg_dir=$BOSH_PACKAGES_DIR/golang-1.12-${ostype}
+  pkg_dir=${BOSH_PACKAGES_DIR}/golang-1.12-${ostype}
 fi
 
 PACKAGE_NAME="github.com/orange-cloudfoundry/boshupdate_exporter"