diff --git a/drivers/tty/vt/vt_ioctl.c b/drivers/tty/vt/vt_ioctl.c
index e1c1627a3356..954e5c40f473 100644
--- a/drivers/tty/vt/vt_ioctl.c
+++ b/drivers/tty/vt/vt_ioctl.c
@@ -718,9 +718,9 @@ int vt_ioctl(struct tty_struct *tty,
 		if (vsa.console == 0 || vsa.console > MAX_NR_CONSOLES)
 			ret = -ENXIO;
 		else {
-			vsa.console = array_index_nospec(vsa.console,
-							 MAX_NR_CONSOLES + 1);
 			vsa.console--;
+			vsa.console = array_index_nospec(vsa.console,
+							 MAX_NR_CONSOLES);
 			console_lock();
 			ret = vc_allocate(vsa.console);
 			if (ret == 0) {