diff --git a/src/burn/drv/dataeast/d_deco32.cpp b/src/burn/drv/dataeast/d_deco32.cpp
index 4d2629959..9e26e9540 100644
--- a/src/burn/drv/dataeast/d_deco32.cpp
+++ b/src/burn/drv/dataeast/d_deco32.cpp
@@ -1525,7 +1525,7 @@ static INT32 MemIndex()
 	DrvAceRAM	= Next; Next += 0x000400; // 0xa0
 	DrvSprRAM2	= Next; Next += 0x001000;
 	DrvSprBuf2	= Next; Next += 0x001000;
-	DrvTMSRAM	= Next; Next += 0x000100;
+	DrvTMSRAM	= Next; Next += 0x000200; // 0x100 words!
 	DrvJackRAM	= Next; Next += 0x001000;
 	DrvDVIRAM0  = Next; Next += 0x008000;
 	DrvDVIRAM1  = Next; Next += 0x000200;