diff --git a/files/Tupfile b/files/Tupfile
index 56d8e48..c93d466 100644
--- a/files/Tupfile
+++ b/files/Tupfile
@@ -1 +1 @@
-:foreach *.pdf |> !tup_preserve |>
+:foreach *.pdf |> ps2pdf %f %o |> %g_opt.pdf