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-rw-r--r--quantum/midi/qmk_midi.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/quantum/midi/qmk_midi.c b/quantum/midi/qmk_midi.c
index 688259784c..43ebd72937 100644
--- a/quantum/midi/qmk_midi.c
+++ b/quantum/midi/qmk_midi.c
@@ -7,6 +7,7 @@
#ifdef AUDIO_ENABLE
# include "audio.h"
+# include <math.h>
#endif
/*******************************************************************************