[Greasemonkey] greasemonkey compiler problem

[Karthik V]

I'm trying to compile a greasemonkey script into an extension using
http://www.letitblog.com/greasemonkey-compiler/ ... When I try installing
the generated xpi, I get an error
that the extension could not be installed because it is not compatible with
Firefox 1.5 (will only work with versions 0.9 to 1.0) ...

I didnt do anything special to specify this compatibility ... can some one
tell me how to get around this?