fix button note number map lookup

diff --git a/libs/surfaces/launch_control_xl/controllers.cc b/libs/surfaces/launch_control_xl/controllers.cc
index f7c89522da01fd509421d00b5db8d250b5af01ba..f14fd00718ff0aeac3d64da3aabd3c6c071e41ea 100644 (file)
--- a/libs/surfaces/launch_control_xl/controllers.cc
+++ b/libs/surfaces/launch_control_xl/controllers.cc
@@ -267,7 +267,7 @@ LaunchControlXL::track_button_by_number(uint8_t n, uint8_t first, uint8_t middle
                b = nn_note_button_map.find (first + n);
        }
        else {
-               b = nn_note_button_map.find (middle + n);
+               b = nn_note_button_map.find (middle + n - 5);
        }
 
        TrackButton* button = 0;