diff --git a/rust-whisper.d/src/main.rs b/rust-whisper.d/src/main.rs
index 1c26795..5a7ece4 100644
--- a/rust-whisper.d/src/main.rs
+++ b/rust-whisper.d/src/main.rs
@@ -69,6 +69,7 @@ fn main() {
                data.iter()
                   .map(|x| *x)
                   .step_by(channels.into())
+                  .step_by((cfg.sample_rate().0 / 16000) as usize)
                   .for_each(|x| buffer.push(x));
                if Instant::now() - last > five_seconds {
                   let result = w.transcribe(&buffer).unwrap();