diff --git a/clr-k8s-examples/Vagrantfile b/clr-k8s-examples/Vagrantfile
index bdebdeb..b414e0f 100644
--- a/clr-k8s-examples/Vagrantfile
+++ b/clr-k8s-examples/Vagrantfile
@@ -76,6 +76,7 @@ Vagrant.configure("2") do |config|
         lv.loader = $loader
         lv.cpus = $cpus
         lv.memory = $memory
+        lv.machine_virtual_size = 40
         (1..$disks).each do |d|
           lv.storage :file, :device => "hd#{$driveletters[d]}", :path => "disk-#{$disk_prefix}-#{vm_name}-#{d}.disk", :size => $disk_size, :type => "raw"
         end