diff --git a/android/src/com/levien/synthesizer/android/usb/UsbMidiDevice.java b/android/src/com/levien/synthesizer/android/usb/UsbMidiDevice.java
index 772fcd7..5354398 100644
--- a/android/src/com/levien/synthesizer/android/usb/UsbMidiDevice.java
+++ b/android/src/com/levien/synthesizer/android/usb/UsbMidiDevice.java
@@ -115,7 +115,7 @@ public class UsbMidiDevice {
           }
           if (payloadBytes > 0) {
             //Log.d("synth", "sending midi");
-            MessageFromBytes.send(mReceiver, buf, 1, payloadBytes);
+            MessageFromBytes.send(mReceiver, buf, i + 1, payloadBytes);
           }
         }
       }