diff --git a/library/std/src/sys/unix/time.rs b/library/std/src/sys/unix/time.rs
index d5abd9b581c65..d6e29969e756c 100644
--- a/library/std/src/sys/unix/time.rs
+++ b/library/std/src/sys/unix/time.rs
@@ -291,8 +291,13 @@ mod inner {
         pub fn now() -> Instant {
             #[cfg(target_os = "macos")]
             const clock_id: libc::clockid_t = libc::CLOCK_UPTIME_RAW;
-            #[cfg(not(target_os = "macos"))]
+
+            #[cfg(target_os = "linux")]
+            const clock_id: libc::clockid_t = libc::CLOCK_BOOTTIME;
+
+            #[cfg(not(any(target_os = "macos", target_os = "linux")))]
             const clock_id: libc::clockid_t = libc::CLOCK_MONOTONIC;
+
             Instant { t: Timespec::now(clock_id) }
         }
 
diff --git a/src/tools/miri/src/shims/time.rs b/src/tools/miri/src/shims/time.rs
index bc0b71fbc2096..2fc5c2fb5ecf2 100644
--- a/src/tools/miri/src/shims/time.rs
+++ b/src/tools/miri/src/shims/time.rs
@@ -45,6 +45,9 @@ pub trait EvalContextExt<'mir, 'tcx: 'mir>: crate::MiriInterpCxExt<'mir, 'tcx> {
                 relative_clocks = vec![
                     this.eval_libc_i32("CLOCK_MONOTONIC")?,
                     this.eval_libc_i32("CLOCK_MONOTONIC_COARSE")?,
+                    // This is the equivalent to `CLOCK_UPTIME_RAW` in the macos section
+                    // We support it, because std relies on it
+                    this.eval_libc_i32("CLOCK_BOOTTIME")?,
                 ];
             }
             "macos" => {