diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 976cc3ca72a7..cadbb119e429 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -1067,8 +1067,9 @@ static inline void set_protect_slice(struct cfs_rq *cfs_rq, struct sched_entity
 static inline void update_protect_slice(struct cfs_rq *cfs_rq, struct sched_entity *se)
 {
 	u64 slice = cfs_rq_min_slice(cfs_rq);
+	u64 vruntime = min_vruntime(se->vruntime, avg_vruntime(cfs_rq));
 
-	se->vprot = min_vruntime(se->vprot, se->vruntime + calc_delta_fair(slice, se));
+	se->vprot = min_vruntime(se->vprot, vruntime + calc_delta_fair(slice, se));
 }
 
 static inline bool protect_slice(struct sched_entity *se)