diff --git a/scripts/target/mame/arcade.lua b/scripts/target/mame/arcade.lua
index 3cd5b7c020d..670ae6249b2 100644
--- a/scripts/target/mame/arcade.lua
+++ b/scripts/target/mame/arcade.lua
@@ -351,7 +351,7 @@ MACHINES["TPI6525"] = true
 MACHINES["RIOT6532"] = true
 MACHINES["6821PIA"] = true
 MACHINES["6840PTM"] = true
---MACHINES["68561MPCC"] = true
+--MACHINES["MPCC68561"] = true
 MACHINES["ACIA6850"] = true
 MACHINES["68681"] = true
 MACHINES["7200FIFO"] = true
diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index b4bdbc7dcd9..7487f4435e5 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -354,7 +354,7 @@ MACHINES["GAYLE"] = true
 MACHINES["6522VIA"] = true
 MACHINES["6821PIA"] = true
 MACHINES["6840PTM"] = true
-MACHINES["68561MPCC"] = true
+MACHINES["MPCC68561"] = true
 MACHINES["68681"] = true
 MACHINES["7200FIFO"] = true
 MACHINES["8530SCC"] = true