diff --git a/AtariST/FORTHKER.PRG b/AtariST/FORTHKER.PRG
deleted file mode 100644
index 03bb225..0000000
Binary files a/AtariST/FORTHKER.PRG and /dev/null differ
diff --git a/AtariST/4TH.PRG b/AtariST/volks4th.prg
similarity index 100%
rename from AtariST/4TH.PRG
rename to AtariST/volks4th.prg