diff --git a/kernel/sched/walt.c b/kernel/sched/walt.c
index b9ae8d5c4393..d9d09914ce30 100644
--- a/kernel/sched/walt.c
+++ b/kernel/sched/walt.c
@@ -185,7 +185,14 @@ update_window_start(struct rq *rq, u64 wallclock)
 	int nr_windows;
 
 	delta = wallclock - rq->window_start;
-	BUG_ON(delta < 0);
+	/* If the MPM global timer is cleared, set delta as 0 to avoid kernel BUG happening */
+	if (delta < 0) {
+		if (arch_timer_read_counter() == 0)
+			delta = 0;
+		else
+			BUG_ON(1);
+	}
+
 	if (delta < walt_ravg_window)
 		return;