diff --git a/lib/vagrant-lxc/action.rb b/lib/vagrant-lxc/action.rb
index ce53061..ad72314 100644
--- a/lib/vagrant-lxc/action.rb
+++ b/lib/vagrant-lxc/action.rb
@@ -218,7 +218,7 @@ module Vagrant
                 next
               end
 
-              b3.use BuiltIn::SSHExec
+              b3.use Builtin::SSHExec
             end
           end
         end