diff --git a/examples/game-of-life-png/Makefile b/examples/game-of-life-png/Makefile
index daf2df62..9dafce6a 100644
--- a/examples/game-of-life-png/Makefile
+++ b/examples/game-of-life-png/Makefile
@@ -3,3 +3,7 @@ all:
 
 clean:
 	rm -f a.out *.o *.png
+
+convert:
+	convert -resize 400x test.png out.png
+#	convert -delay 120 -loop 0 *.png animated.gif