diff --git a/kernel/futex.c b/kernel/futex.c
index 796b1c860839..e112a9d4c84f 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -1565,8 +1565,7 @@ static void mark_wake_futex(struct wake_q_head *wake_q, struct futex_q *q)
 	 * memory barrier is required here to prevent the following
 	 * store to lock_ptr from getting ahead of the plist_del.
 	 */
-	smp_wmb();
-	q->lock_ptr = NULL;
+	smp_store_release(&q->lock_ptr, NULL);
 }
 
 /*