diff --git a/src/mame/drivers/progolf.c b/src/mame/drivers/progolf.c
index 63df7ceaf58..cae5e118b0a 100644
--- a/src/mame/drivers/progolf.c
+++ b/src/mame/drivers/progolf.c
@@ -562,5 +562,5 @@ static DRIVER_INIT( progolfa )
 }
 
 /* Maybe progolf is a bootleg? progolfa uses DECO CPU-6 as custom module CPU (the same as Zoar) */
-GAME( 1981, progolf,  0,       progolf, progolf, progolf,  ROT270, "Data East Corporation", "18 Holes Pro Golf (set 1)", GAME_NOT_WORKING | GAME_IMPERFECT_GRAPHICS | GAME_NO_COCKTAIL )
+GAME( 1981, progolf,  0,       progolf, progolf, progolf,  ROT270, "Data East Corporation", "18 Holes Pro Golf (set 1)", GAME_NO_COCKTAIL )
 GAME( 1981, progolfa, progolf, progolf, progolf, progolfa, ROT270, "Data East Corporation", "18 Holes Pro Golf (set 2)", GAME_NOT_WORKING | GAME_IMPERFECT_GRAPHICS | GAME_NO_COCKTAIL )