diff --git a/libraries/audio/src/AudioReverb.cpp b/libraries/audio/src/AudioReverb.cpp
index 0901e76251..d457ce7a96 100644
--- a/libraries/audio/src/AudioReverb.cpp
+++ b/libraries/audio/src/AudioReverb.cpp
@@ -13,18 +13,11 @@
 #include "AudioReverb.h"
 
 #ifdef _MSC_VER
-
 #include <intrin.h>
-inline static int MULHI(int a, int b) {
-    long long c = __emul(a, b);
-    return ((int*)&c)[1];
-}
-
+#define MULHI(a,b)  ((int32_t)(__emul(a, b) >> 32))
 #else
-
-#define MULHI(a,b)  (int)(((long long)(a) * (b)) >> 32)
-
-#endif  // _MSC_VER
+#define MULHI(a,b)  ((int32_t)(((int64_t)(a) * (int64_t)(b)) >> 32))
+#endif
 
 #ifndef MAX
 #define MAX(a,b)    (((a) > (b)) ? (a) : (b))