diff --git a/scripts/target/mame/arcade.lua b/scripts/target/mame/arcade.lua
index fee7c2a0ee5..42ccad7d5de 100644
--- a/scripts/target/mame/arcade.lua
+++ b/scripts/target/mame/arcade.lua
@@ -376,6 +376,7 @@ VIDEOS["VRENDER0"] = true
 
 MACHINES["ACORN_VIDC"] = true
 MACHINES["AKIKO"] = true
+MACHINES["ARM_IOMD"] = true
 MACHINES["AUTOCONFIG"] = true
 MACHINES["BUSMOUSE"] = true
 MACHINES["CR511B"] = true