diff --git a/micropython/usb/examples/device/midi_example.py b/micropython/usb/examples/device/midi_example.py
index 01dc2e8e..1fc0bd6d 100644
--- a/micropython/usb/examples/device/midi_example.py
+++ b/micropython/usb/examples/device/midi_example.py
@@ -25,7 +25,8 @@ class MIDIExample(MIDIInterface):
 
 
 m = MIDIExample()
-usb.device.get().init(m)
+# Remove builtin_driver=True if you don't want the MicroPython serial REPL available.
+usb.device.get().init(m, builtin_driver=True)
 
 print("Waiting for USB host to configure the interface...")