diff --git a/src/burn/drv/dataeast/d_vaportra.cpp b/src/burn/drv/dataeast/d_vaportra.cpp
index f94f62aa1..5453a1975 100644
--- a/src/burn/drv/dataeast/d_vaportra.cpp
+++ b/src/burn/drv/dataeast/d_vaportra.cpp
@@ -387,7 +387,7 @@ static INT32 DrvInit(INT32 type)
 	SekSetReadByteHandler(0,		vaportra_main_read_byte);
 	SekClose();
 
-	deco16SoundInit(DrvHucROM, DrvHucRAM, 8055000, 1, NULL, 0.60, 1006875, 0.75, 2013750, 0.60);
+	deco16SoundInit(DrvHucROM, DrvHucRAM, 8055000 / 3, 1, NULL, 0.60, 1006875, 0.75, 2013750, 0.60);
 	BurnYM2203SetAllRoutes(0, 0.60, BURN_SND_ROUTE_BOTH);
 
 	GenericTilesInit();
@@ -539,7 +539,7 @@ static INT32 DrvFrame()
 
 	INT32 nInterleave = 232;
 	INT32 nSoundBufferPos = 0;
-	INT32 nCyclesTotal[2] = { 12000000 / 58, 8055000 / 58 };
+	INT32 nCyclesTotal[2] = { 12000000 / 58, 8055000 / 3 / 58 };
 	INT32 nCyclesDone[2] = { 0, 0 };
 
 	h6280NewFrame();