diff --git a/ui.cpp b/ui.cpp
index 6994132..9e647a8 100644
--- a/ui.cpp
+++ b/ui.cpp
@@ -175,7 +175,7 @@ void UiSt_Home(UI_SM* const me, uint16_t event) {
                uint16_t t_off = 50;
                if (mute.MuteLocal) { t_on = 50; t_off = 950; }
                mute.Led->Blink(t_on, t_off);
-               MIDI.sendControlChange(mute.MidiCtrlNr, mute.MuteLocal ? 0 : 127, 2);
+               MIDI.sendControlChange(mute.MidiCtrlNr, mute.MuteLocal ? 127 : 0, 2);
             }
          }
          for (uint_fast8_t i=0; i<ELEMCNT(AirFaders); i++) {