Join Date: Feb 2007
Location: Pensacola, FL (PNS)
Programs: Delta 1.99M, Hyatt Globalist, IHG Diamond, Marriott Gold, Hilton Diamond
Posts: 2,732
Unlikely a problem - when you travel internationally (and even other times) you can input full name, I think.
If you're nervous, contact them. Or you can do (request) it online.