diff --git a/skins/Leency/Luna/Tupfile.lua b/skins/Leency/Luna/Tupfile.lua
index 5e69202d19..76374b740f 100644
--- a/skins/Leency/Luna/Tupfile.lua
+++ b/skins/Leency/Luna/Tupfile.lua
@@ -1,2 +1,3 @@
 if tup.getconfig("NO_FASM") ~= "" then return end
-tup.rule("default.asm", 'fasm "%f" "%o" ' .. tup.getconfig("KPACK_CMD"), "Luna.skn")
+tup.rule("default.dtp.asm", 'fasm "%f" "%o"', "default.dtp")
+tup.rule({"default.asm", extra_inputs = {"default.dtp"}}, 'fasm "%f" "%o" ' .. tup.getconfig("KPACK_CMD"), "Luna.skn")