diff --git a/tmk_core/protocol/midi/qmk_midi.h b/tmk_core/protocol/midi/qmk_midi.h index 0a348d5fd..819087a40 100644 --- a/tmk_core/protocol/midi/qmk_midi.h +++ b/tmk_core/protocol/midi/qmk_midi.h @@ -2,6 +2,7 @@ #ifdef MIDI_ENABLE # include "midi.h" +# include extern MidiDevice midi_device; void setup_midi(void); void send_midi_packet(MIDI_EventPacket_t* event);