I am sorry? Shouldn't it be using the icon below instead of the Great Engineer's? It's clearly not what's show in the screenshot you provided. (Please note you can only get it to look like this if you spawn the unit before Industrial era, in the right era it looks just like your image). Tested with your DLL, issue persists. Also, just noticed I said Great Merchant instead of Great Engineer - damn people with brown suits and hats, y'all look the same to me! Sorry about that, still, the error is there.