diff --git a/kernel/power/wakelock.c b/kernel/power/wakelock.c
index 2be507a30..d95eae828 100755
--- a/kernel/power/wakelock.c
+++ b/kernel/power/wakelock.c
@@ -238,7 +238,7 @@ int pm_wake_lock(const char *buf)
 		do_div(timeout_ms, NSEC_PER_MSEC);
 		__pm_wakeup_event(wl->ws, timeout_ms);
 	} else {
-		__pm_stay_awake(wl->ws);
+		__pm_wakeup_event(wl->ws, 500);
 	}
 
 	wakelocks_lru_most_recent(wl);