diff --git a/include/z64math.h b/include/z64math.h
index eb3fdce6d6..351807cf6e 100644
--- a/include/z64math.h
+++ b/include/z64math.h
@@ -97,6 +97,7 @@ typedef struct {
 #define IS_ZERO(f) (fabsf(f) < 0.008f)
 
 // Angle conversion macros
+#define DEG_TO_BINANG(degrees) (s16)((degrees) * (0x8000 / 180.0f))
 #define DEG_TO_BINANG_ALT(degreesf) (s16)((degreesf) * 182.04167f + .5f)
 #define RADF_TO_BINANG(radf) (s16)((radf) * (0x8000 / M_PI))
 #define RADF_TO_DEGF(radf) ((radf) * (180.0f / M_PI))