diff --git a/contrib/C_Layer/ASM/Tupfile.lua b/contrib/C_Layer/ASM/Tupfile.lua
index ccbd6456c6..46884ce531 100644
--- a/contrib/C_Layer/ASM/Tupfile.lua
+++ b/contrib/C_Layer/ASM/Tupfile.lua
@@ -1,2 +1,2 @@
 if tup.getconfig("NO_FASM") ~= "" then return end
-tup.foreach_rule("*.asm", "fasm %f ../OBJ/%o " .. tup.getconfig("KPACK_CMD"), "../OBJ/%B.obj")
+tup.foreach_rule("*.asm", "fasm %f ../OBJ/%o ")