diff --git a/wolfcrypt/src/random.c b/wolfcrypt/src/random.c
index febc29243f..c2838dc582 100644
--- a/wolfcrypt/src/random.c
+++ b/wolfcrypt/src/random.c
@@ -818,7 +818,7 @@ static WC_INLINE word64 Entropy_TimeHiRes(void)
  */
 static WC_INLINE word64 Entropy_TimeHiRes(void)
 {
-    return mach_absolute_time();
+    return clock_gettime_nsec_np(CLOCK_MONOTONIC_RAW);
 }
 #elif !defined(ENTROPY_MEMUSE_THREAD) && defined(__aarch64__)
 /* Get the high resolution time counter.