diff --git a/bootstrap.sh b/bootstrap.sh
index a0b09ad..cd76cd7 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -77,11 +77,12 @@
 export MASTER_HOSTNAME=${MASTER_HOSTNAME:-${HOSTNAME}.${DOMAIN}}
 
 # saltstack
-SALT_SOURCE=${SALT_SOURCE:-pkg}
-SALT_VERSION=${SALT_VERSION:-2016.3}
 BOOTSTRAP_SALTSTACK=${BOOTSTRAP_SALTSTACK:-True}
-BOOTSTRAP_SALTSTACK_VERSION=${BOOTSTRAP_SALTSTACK_VERSION:- stable $SALT_VERSION }
+BOOTSTRAP_SALTSTACK_VERSION=${BOOTSTRAP_SALTSTACK_VERSION:- stable 2016.3 }
 BOOTSTRAP_SALTSTACK_OPTS=${BOOTSTRAP_SALTSTACK_OPTS:- -dX $BOOTSTRAP_SALTSTACK_VERSION }
+SALT_SOURCE=${SALT_SOURCE:-pkg}
+# the version below is used salt pillar data
+SALT_VERSION=${SALT_VERSION:-latest}
 
 # environment
 if [ "$FORMULAS_SOURCE" == "git" ]; then