1 files changed, 2 insertions, 0 deletions
diff --git a/quantum/audio/voices.h b/quantum/audio/voices.h
index 5aa99f4b1d..718671f77f 100644
--- a/quantum/audio/voices.h
+++ b/quantum/audio/voices.h
@@ -16,6 +16,8 @@ typedef enum {
     octave_crunch,
     duty_osc,
     duty_octave_down,
+    duty_fifth_down,
+    duty_fourth_down,
     number_of_voices // important that this is last
 } voice_type;