From 4acca56e7ea49639da0ab8736e7b5fbad09310e9 Mon Sep 17 00:00:00 2001
From: arbee <rb6502@users.noreply.github.com>
Date: Sat, 1 Apr 2023 15:48:36 -0400
Subject: [PATCH] intv: fix validation [R. Belmont]

---
 src/mame/mattel/intv.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/mame/mattel/intv.h b/src/mame/mattel/intv.h
index 120689f2b4f..f56fcd9d2f8 100644
--- a/src/mame/mattel/intv.h
+++ b/src/mame/mattel/intv.h
@@ -146,7 +146,7 @@ private:
 	optional_device<gfxdecode_device> m_gfxdecode;
 	required_device<palette_device> m_palette;
 
-	required_ioport_array<10> m_intv_keyboard;
+	optional_ioport_array<10> m_intv_keyboard;
 };
 
 #endif // MAME_MATTEL_INTV_H