diff --git a/src/mame/mame.lst b/src/mame/mame.lst
index 70bb376bdc0..b81db617521 100644
--- a/src/mame/mame.lst
+++ b/src/mame/mame.lst
@@ -33733,6 +33733,7 @@ simpsons4pa                     // GX072 (c) 1991
 
 @source:sitcom.cpp
 sitcom                          //
+sitcomtmr                       //
 
 @source:skeetsht.cpp
 popshot                         // (c) 1991 (prototype)