diff --git a/src/machine/usb/midi/midi.go b/src/machine/usb/midi/midi.go
index c36b2876..8e0b10c6 100644
--- a/src/machine/usb/midi/midi.go
+++ b/src/machine/usb/midi/midi.go
@@ -32,7 +32,7 @@ func newMidi() *midi {
 	m := &midi{
 		buf: NewRingBuffer(),
 	}
-	machine.EnableMIDI(m.Handler, m.rxHandler, nil)
+	machine.EnableMIDI(m.Handler, m.RxHandler, nil)
 	return m
 }