diff --git a/src/mame/nl.lst b/src/mame/nl.lst
index df3f4a5f4ea..86c0a0bc62a 100644
--- a/src/mame/nl.lst
+++ b/src/mame/nl.lst
@@ -176,3 +176,6 @@ pongf                           // (c) 1972 Atari
 //missilex                      // (c) 1977 Taito
 //ttblock                       // (c) 1977 Taito
 //zzblock                       // (c) 1979 Taito
+
+// usbilliards.cpp
+//sharkusb                      // (c) 1975 US Billiards