--- nono/vm/mainbus_x68k.h	2026/04/29 17:05:29	1.1.1.2
+++ nono/vm/mainbus_x68k.h	2026/04/29 17:05:33	1.1.1.3
@@ -49,7 +49,7 @@ class X68kMainbus final : public Mainbus
 
 	std::array<bool, 256> is_intio {};
 
-	Monitor monitor { this };
+	Monitor *monitor {};
 
 	std::array<BankRAMDevice*, 2> bankram /*{}*/;
 };