diff --git a/common/ubuntu_salt_bootstrap.sh b/common/ubuntu_salt_bootstrap.sh
index c802a4a..3510b85 100644
--- a/common/ubuntu_salt_bootstrap.sh
+++ b/common/ubuntu_salt_bootstrap.sh
@@ -20,8 +20,11 @@
 # TODO: those  should be unhardcoded and re-writed to mirror.mirantis.com logic
 wget -O - ${SALTSTACK_GPG} | sudo apt-key add -
 wget -O - ${APT_MIRANTIS_GPG} | apt-key add -
+wget -O - http://mirror.mirantis.com/${FORMULA_VERSION}/extra/xenial/archive-extra.key | apt-key add -
+
 echo "deb [arch=amd64] ${SALTSTACK_REPO}"  > /etc/apt/sources.list.d/mcp_saltstack.list
 echo "deb [arch=amd64] http://mirror.mirantis.com/${FORMULA_VERSION}/extra/xenial xenial main"  > /etc/apt/sources.list.d/mcp_extra.list
+
 # This Pin-Priority fix should be always aligned with
 # https://github.com/Mirantis/reclass-system-salt-model/blob/master/linux/system/repo/mcp/apt_mirantis/saltstack.yml
 # saltstack
@@ -46,6 +49,8 @@
 apt-get update
 apt-get install git-core reclass -y
 
+rm -v /etc/apt/sources.list.d/mcp_extra.list /etc/apt/preferences.d/mcp_extra
+
 for g_host in ${CLUSTER_MODEL} ${GIT_SALT_FORMULAS_SCRIPTS} ; do
   _tmp_host=$(echo ${g_host} | awk -F/ '{print $3}')
   ssh-keyscan -T 1 -H ${_tmp_host} >> ~/.ssh/known_hosts || true