1 files changed, 1 insertions, 0 deletions
diff --git a/alc/voice.h b/alc/voice.h
index 5ae7a945..3f1642f1 100644
--- a/alc/voice.h
+++ b/alc/voice.h
@@ -12,6 +12,7 @@
 #include "filters/nfc.h"
 #include "filters/splitter.h"
 #include "hrtf.h"
+#include "mixer/defs.h"
 
 struct EffectSlot;
 struct BufferlistItem;