diff --git a/src/mame/drivers/chihiro.c b/src/mame/drivers/chihiro.c
index 05527afbb3a..9de046c853d 100644
--- a/src/mame/drivers/chihiro.c
+++ b/src/mame/drivers/chihiro.c
@@ -294,7 +294,8 @@ INPUT_PORTS_END
 static MACHINE_START( chihiro )
 {
 	smbus_register_device(0x45,smbus_cx25871);
-	debug_console_register_command(machine,"jamdis",CMDFLAG_NONE,0,2,3,jamtable_disasm_command);
+	if (machine->debug_flags & DEBUG_FLAG_ENABLED)
+		debug_console_register_command(machine,"jamdis",CMDFLAG_NONE,0,2,3,jamtable_disasm_command);
 }
 
 static MACHINE_DRIVER_START( chihiro_base )