diff 027f579f43cdc908bf8d51c27bdf5da8e7773940 uncommitted
--- a/sys/src/cmd/audio/pcmconv/pcmconv.c
+++ b/sys/src/cmd/audio/pcmconv/pcmconv.c
@@ -12,7 +12,7 @@
 void
 main(int argc, char *argv[])
 {
-	uchar ibuf[8*1024], *obuf;
+	uchar ibuf[IOUNIT], *obuf;
 	Pcmdesc i, o;
 	Pcmconv *c;
 	vlong l;