diff --git a/src/burn/drv/pgm/d_pgm.cpp b/src/burn/drv/pgm/d_pgm.cpp
index f78f9b51f..98caf5aa9 100644
--- a/src/burn/drv/pgm/d_pgm.cpp
+++ b/src/burn/drv/pgm/d_pgm.cpp
@@ -937,7 +937,7 @@ struct BurnDriver BurnDrvDrgw2hk = {
 	"drgw2hk", "drgw2", "pgm", NULL, "1997",
 	"Dragon World II (V100H, Hong Kong)\0", NULL, "IGS", "PolyGameMaster",
 	NULL, NULL, NULL, NULL,
-	BDF_CLONE, 4, HARDWARE_IGS_PGM, GBF_PUZZLE, 0,
+	BDF_GAME_WORKING | BDF_CLONE, 4, HARDWARE_IGS_PGM, GBF_PUZZLE, 0,
 	NULL, drgw2hkRomInfo, drgw2hkRomName, NULL, NULL, pgmInputInfo, pgmDIPInfo,
 	drgw2100hInit, pgmExit, pgmFrame, pgmDraw, pgmScan, &nPgmPalRecalc, 0x900,
 	448, 224, 4, 3