diff --git a/src/burn/drv/konami/d_mikie.cpp b/src/burn/drv/konami/d_mikie.cpp
index d9cac1080..fe2ccfb87 100644
--- a/src/burn/drv/konami/d_mikie.cpp
+++ b/src/burn/drv/konami/d_mikie.cpp
@@ -629,7 +629,7 @@ struct BurnDriver BurnDrvMikie = {
 	BDF_GAME_WORKING | BDF_ORIENTATION_VERTICAL, 2, HARDWARE_PREFIX_KONAMI, GBF_MISC, 0,
 	NULL, mikieRomInfo, mikieRomName, NULL, NULL, MikieInputInfo, MikieDIPInfo,
 	DrvInit, DrvExit, DrvFrame, DrvDraw, DrvScan, &DrvRecalc, 0x1000,
-	224, 256, 3, 3
+	224, 256, 3, 4
 };
 
 
@@ -666,7 +666,7 @@ struct BurnDriver BurnDrvMikiej = {
 	BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL, 2, HARDWARE_PREFIX_KONAMI, GBF_MISC, 0,
 	NULL, mikiejRomInfo, mikiejRomName, NULL, NULL, MikieInputInfo, MikieDIPInfo,
 	DrvInit, DrvExit, DrvFrame, DrvDraw, DrvScan, &DrvRecalc, 0x1000,
-	224, 256, 3, 3
+	224, 256, 3, 4
 };
 
 
@@ -703,5 +703,5 @@ struct BurnDriver BurnDrvMikiehs = {
 	BDF_GAME_WORKING | BDF_CLONE | BDF_ORIENTATION_VERTICAL, 2, HARDWARE_PREFIX_KONAMI, GBF_MISC, 0,
 	NULL, mikiehsRomInfo, mikiehsRomName, NULL, NULL, MikieInputInfo, MikieDIPInfo,
 	DrvInit, DrvExit, DrvFrame, DrvDraw, DrvScan, &DrvRecalc, 0x1000,
-	224, 256, 3, 3
+	224, 256, 3, 4
 };