diff --git a/common/admin/vagrant/templates/default/default.Vagrantfile b/common/admin/vagrant/templates/default/default.Vagrantfile
index 3eb4983..db023a7 100644
--- a/common/admin/vagrant/templates/default/default.Vagrantfile
+++ b/common/admin/vagrant/templates/default/default.Vagrantfile
@@ -15,7 +15,7 @@ Vagrant.configure("2") do |config|
     # Every Vagrant development environment requires a box. You can search for
     # boxes at https://vagrantcloud.com/search.
     # box.vm.box = "mocha/lunar64"
-    box.vm.box = "ubuntu/lunar64"
+    box.vm.box = "ubuntu/mantic64"
     #box.vm.box = "default.box"
     
     box.vm.hostname = "@@MOCHA_SUV_ID@@.privatesuv.com"
@@ -116,8 +116,8 @@ Vagrant.configure("2") do |config|
     WEBMASTER_PASS="Solty/AyanamiREI^^96274"
     ZQADMIN_PASS="Solty/AyanamiREI^^96274"
 
-    useradd -G webmasters -p "$(openssl passwd -6 $WEBMASTER_PASS)" webmaster
-    useradd -G zqadmin -p "$(openssl passwd -6 $ZQADMIN_PASS)" zqadmin
+    useradd -g webmasters -p "$(openssl passwd -6 $WEBMASTER_PASS)" webmaster
+    useradd -g zqadmin -p "$(openssl passwd -6 $ZQADMIN_PASS)" zqadmin
 
     echo "pending:building:5/27:import machine template" > /etc/mocha/suvstatus
     SHELL