diff --git a/example/Vagrantfile b/example/Vagrantfile
index 513a72a..d82adf4 100644
--- a/example/Vagrantfile
+++ b/example/Vagrantfile
@@ -27,14 +27,16 @@ echo "Hi there I'm a shell script used for provisioning"
     chef.log_level = :debug
   end
 
-  %w(precise quantal raring).each do |release|
+  port     = 8080
+  releases = %w(precise quantal raring)
+  releases.each do |release|
     config.vm.define(release) do |lxc_config|
       lxc_config.vm.box      = "#{release}64"
       lxc_config.vm.box_url  = "http://dl.dropbox.com/u/13510779/lxc-#{release}-amd64-2013-04-21.box"
       # Uncomment if you want to try out a box built locally
       # lxc_config.vm.box_url  = "../boxes/output/lxc-#{release}64.box"
       lxc_config.vm.hostname = "lxc-#{release}64-example"
-      lxc_config.vm.network :forwarded_port, guest: 80, host: 8081
+      lxc_config.vm.network :forwarded_port, guest: 80, host: (port += 1)
     end
   end
 end