diff --git a/library/std/src/sys/unix/time.rs b/library/std/src/sys/unix/time.rs
index 23a5c81c0053b..153cd0159beab 100644
--- a/library/std/src/sys/unix/time.rs
+++ b/library/std/src/sys/unix/time.rs
@@ -293,7 +293,7 @@ mod inner {
 
     impl Instant {
         pub fn now() -> Instant {
-            Instant { t: now(libc::CLOCK_MONOTONIC) }
+            Instant { t: now(libc::CLOCK_BOOTTIME) }
         }
 
         pub const fn zero() -> Instant {