hangman give illegal function call after selecting a vocabulary file

I cannot play hangman because when I select a vocabulary file, I get Illegal function call in module HANGMAN at address 0C68:0745

Deactivating Sound, changing language, other vocabulary files did not help.

QEMU start line: qemu-system-x86_64 -cpu 486 -enable-kvm -hda myd.img -cdrom T2511BNS.iso

( https://www.ibiblio.org/pub/micro/pc-stuff/freedos/files/distributions/test/FDT2511-FullUSB.zip installed with all+games, default values )