diff --git a/kernel/aster-nix/src/net/iface/common.rs b/kernel/aster-nix/src/net/iface/common.rs
index aa7d8e1c2..ff38a19ff 100644
--- a/kernel/aster-nix/src/net/iface/common.rs
+++ b/kernel/aster-nix/src/net/iface/common.rs
@@ -165,8 +165,7 @@ impl IfaceCommon {
         if let Some(instant) = interface.poll_at(timestamp, &sockets) {
             let old_instant = self.next_poll_at_ms.load(Ordering::Acquire);
             let new_instant = instant.total_millis() as u64;
-            self.next_poll_at_ms
-                .store(instant.total_millis() as u64, Ordering::Relaxed);
+            self.next_poll_at_ms.store(new_instant, Ordering::Relaxed);
 
             if new_instant < old_instant {
                 self.polling_wait_queue.wake_all();