diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 6faee0f3721..2988536eeb1 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -1178,9 +1178,11 @@ mks50                           //
 
 @source:alphasma.cpp
 asma2k                          // (c) 1997 Intelligent Peripheral Devices
-asma3k                          // (c) 2000 AlphaSmart, Inc.
 asmapro                         // (c) 1995 Intelligent Peripheral Devices 
 
+@source:alphasma3k.cpp
+asma3k                          // (c) 2000 AlphaSmart, Inc.
+
 @source:alphatan.cpp
 alphatan                        // 1981 AlphaTantel