diff --git a/scripts/target/mame/mess.lua b/scripts/target/mame/mess.lua
index 1063bd71a93..e55308ca690 100644
--- a/scripts/target/mame/mess.lua
+++ b/scripts/target/mame/mess.lua
@@ -3097,6 +3097,7 @@ files {
 	MAME_DIR .. "src/mame/drivers/fanucs15.cpp",
 	MAME_DIR .. "src/mame/drivers/fanucspmg.cpp",
 	MAME_DIR .. "src/mame/drivers/fc100.cpp",
+	MAME_DIR .. "src/mame/drivers/fcisio.cpp",
 	MAME_DIR .. "src/mame/drivers/fcscsi.cpp",
 	MAME_DIR .. "src/mame/drivers/fk1.cpp",
 	MAME_DIR .. "src/mame/drivers/ft68m.cpp",