diff --git a/plugins/hosts/void/cap/dummy.rb b/plugins/hosts/void/cap/dummy.rb
index 40d79b285..2797d6e7c 100644
--- a/plugins/hosts/void/cap/dummy.rb
+++ b/plugins/hosts/void/cap/dummy.rb
@@ -2,9 +2,9 @@ module VagrantPlugins
   module HostVoid
     module Cap
       class Dummy
-        def self.dummy(ui, argument)
-          ui.info "Dummy host cap in ruby runtime, sent argument: #{argument}"
-          true
+        def self.dummy(bag, ui, argument)
+          ui.info "Dummy host cap in ruby runtime, sent argument: `#{argument}' with bag: #{bag}"
+          "this is a result value string!"
         end
       end
     end