wrong keycode sent in 5 row 4 column on monome 128

[jeeruff]

playing notes chromatically upwards, there is a wrong octave C.

88 | C | 48 | ch: 1
89 | C# | 49 | ch: 1
90 | D | 50 | ch: 1
91 | D# | 51 | ch: 1
92 | E | 52 | ch: 1
93 | F | 53 | ch: 1
94 | F# | 54 | ch: 1
95 | G | 55 | ch: 1
64 | A | 45 | ch: 1
65 | A# | 46 | ch: 1
66 | B | 47 | ch: 1
67 | C | 60 | ch: 1 <------------------ wrong

68 | C# | 49 | ch: 1
69 | D | 50 | ch: 1
70 | D# | 51 | ch: 1
71 | E | 52 | ch: 1