diff --git a/hypervisor/common/sched_bvt.c b/hypervisor/common/sched_bvt.c
index a673ce913..56470953a 100644
--- a/hypervisor/common/sched_bvt.c
+++ b/hypervisor/common/sched_bvt.c
@@ -42,6 +42,21 @@ static bool is_inqueue(struct thread_object *obj)
 	return !list_empty(&data->list);
 }
 
+/*
+ * @pre bvt_ctl != NULL
+ */
+static void update_svt(struct sched_bvt_control *bvt_ctl)
+{
+	struct sched_bvt_data *obj_data;
+	struct thread_object *tmp_obj;
+
+	if (!list_empty(&bvt_ctl->runqueue)) {
+		tmp_obj = get_first_item(&bvt_ctl->runqueue, struct thread_object, data);
+		obj_data = (struct sched_bvt_data *)tmp_obj->data;
+		bvt_ctl->svt = obj_data->avt;
+	}
+}
+
 /*
  * @pre obj != NULL
  * @pre obj->data != NULL
@@ -102,16 +117,8 @@ static void runqueue_remove(struct thread_object *obj)
 static int64_t get_svt(struct thread_object *obj)
 {
 	struct sched_bvt_control *bvt_ctl = (struct sched_bvt_control *)obj->sched_ctl->priv;
-	struct sched_bvt_data *obj_data;
-	struct thread_object *tmp_obj;
-	int64_t svt = 0;
 
-	if (!list_empty(&bvt_ctl->runqueue)) {
-		tmp_obj = get_first_item(&bvt_ctl->runqueue, struct thread_object, data);
-		obj_data = (struct sched_bvt_data *)tmp_obj->data;
-		svt = obj_data->avt;
-	}
-	return svt;
+	return bvt_ctl->svt;
 }
 
 static void sched_tick_handler(void *param)
@@ -236,6 +243,8 @@ static struct thread_object *sched_bvt_pick_next(struct sched_control *ctl)
 	if (!is_idle_thread(current)) {
 		update_vt(current);
 	}
+	/* always align the svt with the avt of the first thread object in runqueue.*/
+	update_svt(bvt_ctl);
 
 	if (!list_empty(&bvt_ctl->runqueue)) {
 		first = bvt_ctl->runqueue.next;
diff --git a/hypervisor/include/common/schedule.h b/hypervisor/include/common/schedule.h
index b473d8329..abac7b8bb 100644
--- a/hypervisor/include/common/schedule.h
+++ b/hypervisor/include/common/schedule.h
@@ -105,6 +105,8 @@ extern struct acrn_scheduler sched_bvt;
 struct sched_bvt_control {
 	struct list_head runqueue;
 	struct hv_timer tick_timer;
+	/* The minimum AVT of any runnable threads */
+	int64_t svt;
 };
 
 extern struct acrn_scheduler sched_prio;