I can run Catacomb (the Gamer's Edge demo) just fine if I run GOG's provided shortcut and use the DOS menu to select it. However, if I try to run catacomb.exe through DOSBOX then I receive and error "File not found: Sounds.cat." I have checked that the file is present and have even redownloaded the game to make sure that it didn't get corrupted somehow. But no matter what I do, I can't get this to run without using GOG's provided shortcut. Any thoughts?

edit: I did some testing and Catacomb works fine in the DOSBOX that GOG packages in but gives me the error when using Jon Cambell's DOSBOX-X fork.