diff --git a/plugins/guests/ubuntu/guest.rb b/plugins/guests/ubuntu/guest.rb
index 3999aef7e..76d768f41 100644
--- a/plugins/guests/ubuntu/guest.rb
+++ b/plugins/guests/ubuntu/guest.rb
@@ -10,15 +10,17 @@ module VagrantPlugins
         super
 
         # Emit an upstart event if upstart is available
-        vm.channel.sudo("[ -x /sbin/initctl ] && /sbin/initctl emit vagrant-mounted MOUNTPOINT=#{guestpath}")
+        vm.communicate.sudo("[ -x /sbin/initctl ] && /sbin/initctl emit vagrant-mounted MOUNTPOINT=#{guestpath}")
       end
 
       def change_host_name(name)
-        if !vm.channel.test("sudo hostname | grep '#{name}'")
-          vm.channel.sudo("sed -i 's/.*$/#{name}/' /etc/hostname")
-          vm.channel.sudo("sed -i 's@^\\(127[.]0[.]1[.]1[[:space:]]\\+\\)@\\1#{name} #{name.split('.')[0]} @' /etc/hosts")
-          vm.channel.sudo("service hostname start")
-          vm.channel.sudo("hostname --fqdn > /etc/mailname")
+        vm.communicate.tap do |comm|
+          if !comm.test("sudo hostname | grep '#{name}'")
+            comm.sudo("sed -i 's/.*$/#{name}/' /etc/hostname")
+            comm.sudo("sed -i 's@^\\(127[.]0[.]1[.]1[[:space:]]\\+\\)@\\1#{name} #{name.split('.')[0]} @' /etc/hosts")
+            comm.sudo("service hostname start")
+            comm.sudo("hostname --fqdn > /etc/mailname")
+          end
         end
       end
     end