diff --git a/src/mame/arcade.lst b/src/mame/arcade.lst
index 706cac5219e..5175db09449 100644
--- a/src/mame/arcade.lst
+++ b/src/mame/arcade.lst
@@ -10398,7 +10398,7 @@ taxidriv        // [1984 Graphic Techno]
 xyonix          // [1989 Philko]
 gt507uk         // (c) 1986 Grayhound Electronics
 gtsers8         // (c) 1984 Greyhound Electronics
-gtsers8         // (c) 1984 Greyhound Electronics
+gtsers8a        // (c) 1984 Greyhound Electronics
 gtsers9         // (c) 1984 Greyhound Electronics
 gtsers10        // (c) 1984 Greyhound Electronics
 gtsers11        // (c) 1984 Greyhound Electronics