diff --git a/programs/fs/unz/Tupfile.lua b/programs/fs/unz/Tupfile.lua
index f4d4763f12..2f4a3817db 100644
--- a/programs/fs/unz/Tupfile.lua
+++ b/programs/fs/unz/Tupfile.lua
@@ -1,3 +1,3 @@
 if tup.getconfig("NO_FASM") ~= "" then return end
 tup.rule("echo lang fix " .. ((tup.getconfig("LANG") == "") and "en" or tup.getconfig("LANG")) .. " > lang.inc", {"lang.inc"})
-tup.rule({"UNZ.ASM", extra_inputs = {"lang.inc"}}, "fasm %f %o " .. tup.getconfig("KPACK_CMD"), "unz")
\ No newline at end of file
+tup.rule({"unz.asm", extra_inputs = {"lang.inc"}}, "fasm %f %o " .. tup.getconfig("KPACK_CMD"), "unz")
\ No newline at end of file
diff --git a/programs/fs/unz/DEBUG.INC b/programs/fs/unz/debug.inc
similarity index 100%
rename from programs/fs/unz/DEBUG.INC
rename to programs/fs/unz/debug.inc
diff --git a/programs/fs/unz/FS.INC b/programs/fs/unz/fs.inc
similarity index 100%
rename from programs/fs/unz/FS.INC
rename to programs/fs/unz/fs.inc
diff --git a/programs/fs/unz/PARSE.INC b/programs/fs/unz/parse.inc
similarity index 100%
rename from programs/fs/unz/PARSE.INC
rename to programs/fs/unz/parse.inc
diff --git a/programs/fs/unz/UNZ.ASM b/programs/fs/unz/unz.asm
similarity index 100%
rename from programs/fs/unz/UNZ.ASM
rename to programs/fs/unz/unz.asm