diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c
index e6a51fd94fea..9fc5061d51b2 100644
--- a/fs/nfs/dir.c
+++ b/fs/nfs/dir.c
@@ -2968,7 +2968,7 @@ static u64 nfs_access_login_time(const struct task_struct *task,
 	rcu_read_lock();
 	for (;;) {
 		parent = rcu_dereference(task->real_parent);
-		pcred = rcu_dereference(parent->cred);
+		pcred = __task_cred(parent);
 		if (parent == task || cred_fscmp(pcred, cred) != 0)
 			break;
 		task = parent;