diff --git a/test/unit/plugins/synced_folders/nfs/action_cleanup_test.rb b/test/unit/plugins/synced_folders/nfs/action_cleanup_test.rb
index 4f2cd489e..9be10dd52 100644
--- a/test/unit/plugins/synced_folders/nfs/action_cleanup_test.rb
+++ b/test/unit/plugins/synced_folders/nfs/action_cleanup_test.rb
@@ -13,7 +13,7 @@ describe VagrantPlugins::SyncedFolderNFS::ActionCleanup do
   end
 
   let(:host)    { double("host") }
-  let(:machine) { iso_env.machine(iso_env.machine_names[0], :virtualbox) }
+  let(:machine) { iso_env.machine(iso_env.machine_names[0], :dummy) }
 
   let(:app) { lambda {} }
   let(:env) { {