diff --git a/release-packaging/Examples/dataset/demo-dataset-maker-utilities.scd b/release-packaging/Examples/dataset/demo-dataset-maker-utilities.scd
index 16827b0..4d0e313 100644
--- a/release-packaging/Examples/dataset/demo-dataset-maker-utilities.scd
+++ b/release-packaging/Examples/dataset/demo-dataset-maker-utilities.scd
@@ -23,7 +23,7 @@
 	mfcc = FluidBufMFCC.kr(src,startFrame:start,numFrames:num,numChans:1,features:~mfccbuf[voice],trig:1);
 	stats = FluidBufStats.kr(~mfccbuf[voice],stats:~statsbuf[voice],trig:Done.kr(mfcc));
 	flatten = FluidBufFlatten.kr(~statsbuf[voice],~flatbuf[voice],trig:Done.kr(stats));
-	writer = FluidDataSetWr.kr(~ds,label,buf: ~flatbuf[voice],trig:Done.kr(flatten))
+	writer = FluidDataSetWr.kr(~ds,label, -1, ~flatbuf[voice], Done.kr(flatten))
 });
 )