diff --git a/src/mame/mess.flt b/src/mame/mess.flt
index 72feb1768a0..26a2ac9f6ce 100644
--- a/src/mame/mess.flt
+++ b/src/mame/mess.flt
@@ -565,6 +565,7 @@ qvt103.cpp
 qvt6800.cpp
 qx10.cpp
 r9751.cpp
+radicasi.cpp
 radio86.cpp
 rainbow.cpp
 rambo.cpp