diff --git a/lib/vagrant-backports/action/handle_box.rb b/lib/vagrant-backports/action/handle_box.rb
index 57757cf..56c6c91 100644
--- a/lib/vagrant-backports/action/handle_box.rb
+++ b/lib/vagrant-backports/action/handle_box.rb
@@ -1,2 +1 @@
-# TODO: Implement this for vagrant < 1.5
-raise 'Action::HandleBox has not been backported yet!'
+Vagrant::Action::Builtin.const_set :HandleBox, Vagrant::Action::Builtin::HandleBoxUrl