diff --git a/MIDI-Host-Adapter.ino b/MIDI-Host-Adapter.ino
index 4a082d6..6ccaa51 100644
--- a/MIDI-Host-Adapter.ino
+++ b/MIDI-Host-Adapter.ino
@@ -26,9 +26,9 @@
 #define STROBE_TM 9
 #define CLOCK_TM 8
 #define DIO_TM 7
-#define MIDI_CH_BIT3 5
+#define MIDI_CH_BIT3 3
 #define MIDI_CH_BIT2 4
-#define MIDI_CH_BIT1 3
+#define MIDI_CH_BIT1 5
 #define MIDI_CH_BIT0 2
 
 bool swap_nibbles = true;