how romanize שלומיק?

[Jasmin Nof]

I think it's a derivative of Shelomoh, so should it be Shelomik.? Or, 
because it's nickname, Shlomik.? (or Shloymik.?)

Please advise, thanks, Jasmin
--
Jasmin Nof
Judaica and Hebraica Cataloger
2200 McKeldin Library
University of Maryland
College Park, MD 20742
301-405-9337
j...@umd.edu