diff --git a/programs/develop/libraries/fontRasterWorks(unicode)/Tupfile.lua b/programs/develop/libraries/fontRasterWorks(unicode)/Tupfile.lua
new file mode 100644
index 0000000000..0836fe7789
--- /dev/null
+++ b/programs/develop/libraries/fontRasterWorks(unicode)/Tupfile.lua
@@ -0,0 +1,2 @@
+if tup.getconfig("NO_FASM") ~= "" then return end
+tup.rule("RasterWorks.asm", "fasm %f %o " .. tup.getconfig("KPACK_CMD"), "RasterWorks.obj")