diff --git a/bin/prepare-vagrant-conf b/bin/prepare-vagrant-conf
index fbbb965..28ba150 100755
--- a/bin/prepare-vagrant-conf
+++ b/bin/prepare-vagrant-conf
@@ -1,60 +1,60 @@
 #!/bin/bash
 
-set -eu
+set -e
 
 PUPPET_ENV=$(readlink -f $(dirname $0)/..)
 OCD_BASE="${PUPPET_ENV}/octocatalog-diff"
 FACTS_DIR="${OCD_BASE}/facts"
 
 function usage {
     echo "usage: $0 [-b/--branch branch]"
 }
 
 CLEAN_TMPDIR=true
 USE_REMOTE_REPOS=false
 FROM=production
 TO=staging
 HOSTS=()
 OCTOCATALOG_DIFF_ARGS=
 R10K_ARGS=
 CLEAN_TMPDIR=false
 UNCOMMITTED=false
 
 while (( "$#" )); do
     case "$1" in
         -b|--branch)
             BRANCH=$2
             shift
             ;;
         -u|-uncommited)
             UNCOMMITTED=true
             ;;
         *)
             echo u
             ;;
     esac
     shift
 done
 
 TMPDIR=/tmp/puppet
 mkdir -p /tmp/puppet
 rm -rf /tmp/puppet/environments/
 
 function template {
     sed -e "s#@PUPPET_ENV@#${PUPPET_ENV}#g" -e "s#@TMPDIR@#${TMPDIR}#g" $1 > $2
 }
 
 # R10k config
 template $OCD_BASE/r10k.yaml $TMPDIR/r10k.yaml
 # override git configuration to clone from local repositories instead of the forge
 template $OCD_BASE/gitconfig $TMPDIR/.gitconfig
 
 HOME=$TMPDIR r10k deploy environment -c $TMPDIR/r10k.yaml --puppetfile $R10K_ARGS production staging ${BRANCH}
 
 unknown_branch=false
 git clone $PUPPET_ENV/private/swh-private-data-censored $TMPDIR/environments/production/data/private
 git clone $PUPPET_ENV/private/swh-private-data-censored $TMPDIR/environments/staging/data/private
 
 if [ ! -z "${BRANCH}" ]; then
     git clone $PUPPET_ENV/private/swh-private-data-censored $TMPDIR/environments/$BRANCH/data/private
 fi