Module Updater, Am I using it wrong?

I am running vassal 3.1.18 and I am trying to create an updater for my module.

I use the updater as specified by the reference manual, I select the old module (1.01 for reference) while open with my current module version (1.02) then I create the updater in it’s own folder.

Then I copy the old module (1.01) to the folder with the updater, double click the updater, nothing appears to happen.

I try to open the module in vassal, and it still shows up as 1.01

Am I doing something wrong here? or is the updater not working?