diff --git a/examples/app/Makefile2 b/examples/app/Makefile2
index 8bea9f20d..914ee4292 100644
--- a/examples/app/Makefile2
+++ b/examples/app/Makefile2
@@ -1,7 +1,7 @@
 P=../phrasebook
 L=../../lib/src
 GFPATH=$L/chunk:$L/translator:$L/finnish/stemmed:$L/finnish:$P
-I=-i $P
+J=-j +RTS -N4 -A20M -RTS
 
 App.pgf::
-	gf -s -make -j +RTS -N4 -A20M -RTS -path=$(GFPATH) -gfo-dir gfo App???.gf
+	gf -s -make $J -probs=./app.probs -path=$(GFPATH) -gfo-dir gfo App???.gf