diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index 18656c4094b35a38f761f5f400eea7ecef0626b9..fed298c0cb393e126243c84b44006b94192a1c5e 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -866,8 +866,6 @@ static int tun_attach(struct tun_struct *tun, struct file *file,
 	if (rtnl_dereference(tun->xdp_prog))
 		sock_set_flag(&tfile->sk, SOCK_XDP);
 
-	tun_set_real_num_queues(tun);
-
 	/* device is allowed to go away first, so no need to hold extra
 	 * refcnt.
 	 */
@@ -879,6 +877,7 @@ static int tun_attach(struct tun_struct *tun, struct file *file,
 	rcu_assign_pointer(tfile->tun, tun);
 	rcu_assign_pointer(tun->tfiles[tun->numqueues], tfile);
 	tun->numqueues++;
+	tun_set_real_num_queues(tun);
 out:
 	return err;
 }