diff --git a/plugins/commands/serve/service/guest_service.rb b/plugins/commands/serve/service/guest_service.rb
index f631ca65b..4337105e9 100644
--- a/plugins/commands/serve/service/guest_service.rb
+++ b/plugins/commands/serve/service/guest_service.rb
@@ -10,8 +10,8 @@ module VagrantPlugins
         def initialize(*args, **opts, &block)
           caps = Vagrant.plugin("2").local_manager.guest_capabilities
           default_args = {
-            Client::Target => SDK::FuncSpec::Value.new(
-              type: "hashicorp.vagrant.sdk.Args.Target",
+            Client::Target::Machine => SDK::FuncSpec::Value.new(
+              type: "hashicorp.vagrant.sdk.Args.Target.Machine",
               name: "",
             ),
           }
@@ -23,7 +23,7 @@ module VagrantPlugins
             name: "detect_spec",
             args: [
               SDK::FuncSpec::Value.new(
-                type: "hashicorp.vagrant.sdk.Args.Target",
+                type: "hashicorp.vagrant.sdk.Args.Target.Machine",
                 name: "",
               )
             ],
diff --git a/plugins/commands/serve/service/provider_service.rb b/plugins/commands/serve/service/provider_service.rb
index a9999de4f..309f5240d 100644
--- a/plugins/commands/serve/service/provider_service.rb
+++ b/plugins/commands/serve/service/provider_service.rb
@@ -2,14 +2,14 @@ module VagrantPlugins
   module CommandServe
     module Service
       class ProviderService < SDK::ProviderService::Service
-        
+
         include CapabilityPlatformService
 
         def initialize(*args, **opts, &block)
           caps = Vagrant.plugin("2").local_manager.provider_capabilities
           default_args = {
-            Client::Target => SDK::FuncSpec::Value.new(
-              type: "hashicorp.vagrant.sdk.Args.Target",
+            Client::Target::Machine => SDK::FuncSpec::Value.new(
+              type: "hashicorp.vagrant.sdk.Args.Target.Machine",
               name: "",
             ),
           }