diff --git a/scripts/target/mame/arcade.lua b/scripts/target/mame/arcade.lua
index a0f780b8c81..9773c6c9f8c 100644
--- a/scripts/target/mame/arcade.lua
+++ b/scripts/target/mame/arcade.lua
@@ -402,6 +402,7 @@ MACHINES["ADC1213X"] = true
 MACHINES["AICARTC"] = true
 --MACHINES["AM2847"] = true
 MACHINES["AM53CF96"] = true
+MACHINES["AM79C90"] = true
 --MACHINES["AM9513"] = true
 MACHINES["AM9517A"] = true
 MACHINES["AMIGAFDC"] = true