diff --git a/cluster/vagrant/provision-master.sh b/cluster/vagrant/provision-master.sh
index b89c07c0f0a..663fde30771 100755
--- a/cluster/vagrant/provision-master.sh
+++ b/cluster/vagrant/provision-master.sh
@@ -61,7 +61,7 @@ MASTER_HTPASSWD=$(cat ${KUBE_TEMP}/htpasswd)
 echo $MASTER_HTPASSWD > /srv/salt/nginx/htpasswd
 
 # we will run provision to update code each time we test, so we do not want to do salt install each time
-if [ ! $(which salt-master) ]; then
+if ! which salt-master >/dev/null 2>&1; then
 
   # Configure the salt-api
   cat <<EOF >/etc/salt/master.d/salt-api.conf
diff --git a/cluster/vagrant/provision-minion.sh b/cluster/vagrant/provision-minion.sh
index 26f63215f98..f6f9bc8c60e 100755
--- a/cluster/vagrant/provision-minion.sh
+++ b/cluster/vagrant/provision-minion.sh
@@ -41,7 +41,7 @@ grains:
 EOF
 
 # we will run provision to update code each time we test, so we do not want to do salt install each time
-if [ ! $(which salt-minion) ]; then
+if ! which salt-minion >/dev/null 2>&1; then
   # Install Salt
   #
   # We specify -X to avoid a race condition that can cause minion failure to