diff --git a/cluster/vagrant/config-default.sh b/cluster/vagrant/config-default.sh
index 0d923419519..595b41af584 100755
--- a/cluster/vagrant/config-default.sh
+++ b/cluster/vagrant/config-default.sh
@@ -23,7 +23,7 @@ export NUM_MINIONS
 # The IP of the master
 export MASTER_IP="10.245.1.2"
 
-export INSTANCE_PREFIX=kubernetes
+export INSTANCE_PREFIX="kubernetes"
 export MASTER_NAME="${INSTANCE_PREFIX}-master"
 
 # Map out the IPs, names and container subnets of each minion
diff --git a/cluster/vagrant/provision-master.sh b/cluster/vagrant/provision-master.sh
index 1826c33a0b3..bc3a46f5567 100755
--- a/cluster/vagrant/provision-master.sh
+++ b/cluster/vagrant/provision-master.sh
@@ -101,6 +101,7 @@ cat <<EOF >/srv/salt-overlay/pillar/cluster-params.sls
   dns_replicas: '$(echo "$DNS_REPLICAS" | sed -e "s/'/''/g")'
   dns_server: '$(echo "$DNS_SERVER_IP" | sed -e "s/'/''/g")'
   dns_domain: '$(echo "$DNS_DOMAIN" | sed -e "s/'/''/g")'
+  instance_prefix: '$(echo "$INSTANCE_PREFIX" | sed -e "s/'/''/g")'
 EOF
 
 # Configure the salt-master