diff --git a/libretro-common/include/retro_timers.h b/libretro-common/include/retro_timers.h
index 07003801c4..0ca441f5b7 100644
--- a/libretro-common/include/retro_timers.h
+++ b/libretro-common/include/retro_timers.h
@@ -95,6 +95,31 @@ static int nanosleepDOS(const struct timespec *rqtp, struct timespec *rmtp)
 #define retro_sleep(msec) (usleep(1000 * (msec)))
 #elif defined(WIIU)
 #define retro_sleep(msec) (OSSleepTicks(ms_to_ticks((msec))))
+#elif 0
+static INLINE void retro_sleep(unsigned msec)
+{
+   static struct mach_timebase_info   s_Info;
+   static KBOOL s_fNanoseconds = K_UNKNOWN;
+   KU64 uNow = mach_absolute_time();
+   KU64 uDeadline;
+   KU64 uPeriod;
+
+   if (s_fNanoseconds == K_UNKNOWN)
+   {
+      if (mach_timebase_info(&s_Info))
+         s_fNanoseconds = K_TRUE; /* the easy way out */
+      else if (s_Info.denom == s_Info.numer)
+         s_fNanoseconds = K_TRUE;
+      else
+         s_fNanoseconds = K_FALSE;
+   }
+
+   uPeriod = (KU64)msec * 1000 * 1000;
+   if (!s_fNanoseconds)
+      uPeriod = (double)uPeriod * s_Info.denom / s_Info.numer; /* Use double to avoid 32-bit trouble. */
+   uDeadline = uNow + uPeriod;
+   mach_wait_until(uDeadline);
+}
 #else
 #define retro_sleep(msec) \
 { \