diff --git a/lib/vagrant/plugin/remote/communicator.rb b/lib/vagrant/plugin/remote/communicator.rb
index fd30396aa..17d0e57b5 100644
--- a/lib/vagrant/plugin/remote/communicator.rb
+++ b/lib/vagrant/plugin/remote/communicator.rb
@@ -48,9 +48,12 @@ module Vagrant
             res.exit_code
           end
   
-          def sudo(cmd, opts=nil)
+          def sudo(cmd, opts=nil, &block)
             @logger.debug("remote communicator, executing (privileged) command")
-            @client.privileged_execute(@machine, cmd, opts)
+            res = @client.privileged_execute(@machine, cmd, opts)
+            yield :stdout, res.stdout if block_given?
+            yield :stderr, res.stderr if block_given?
+            res.exit_code
           end
 
           def test(cmd, opts=nil)
diff --git a/plugins/commands/serve/client/communicator.rb b/plugins/commands/serve/client/communicator.rb
index 0da66bb22..03715ce78 100644
--- a/plugins/commands/serve/client/communicator.rb
+++ b/plugins/commands/serve/client/communicator.rb
@@ -143,7 +143,7 @@ module VagrantPlugins
           @logger.debug("privleged excuting")
           res = client.privileged_execute(req)
           @logger.debug("privleged excution result: #{res}")
-          res.exit_code
+          res
         end
       
         # @param [Vagrant::Machine]
diff --git a/plugins/commands/serve/service/communicator_service.rb b/plugins/commands/serve/service/communicator_service.rb
index 0c61cc314..8ff34613c 100644
--- a/plugins/commands/serve/service/communicator_service.rb
+++ b/plugins/commands/serve/service/communicator_service.rb
@@ -256,11 +256,15 @@ module VagrantPlugins
             plugin = Vagrant.plugin("2").manager.communicators[plugin_name.to_s.to_sym]
             communicator = plugin.new(machine)
             opts.transform_keys!(&:to_sym)
-            exit_code = communicator.sudo(cmd.command, opts)
-            logger.debug("command exit code: #{exit_code}")
+            output = {stdout: '', stderr: ''}
+            exit_code = communicator.sudo(cmd.command, opts) {
+              |type, data| output[type] << data if output[type]
+            }
 
             SDK::Communicator::ExecuteResp.new(
-              exit_code: exit_code
+              exit_code: exit_code,
+              stdout: output[:stdout],
+              stderr: output[:stderr]
             )
           end
         end