diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index b0fdc9d5b2a..99e0f52c375 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -3011,6 +3011,10 @@ files {
 
 createMESSProjects(_target, _subtarget, "sgi")
 files {
+	MAME_DIR .. "src/mame/drivers/4d20.cpp",
+	MAME_DIR .. "src/mame/drivers/crimson.cpp",
+	MAME_DIR .. "src/mame/drivers/o2.cpp",
+	MAME_DIR .. "src/mame/drivers/octane.cpp",
 	MAME_DIR .. "src/mame/machine/sgi.cpp",
 	MAME_DIR .. "src/mame/machine/sgi.h",
 	MAME_DIR .. "src/mame/machine/hal2.cpp",