diff --git a/src/burn/snd/sn76496.cpp b/src/burn/snd/sn76496.cpp
index 95d5137e4..b56826259 100644
--- a/src/burn/snd/sn76496.cpp
+++ b/src/burn/snd/sn76496.cpp
@@ -299,7 +299,7 @@ static void GenericStart(INT32 Num, INT32 Clock, INT32 FeedbackMask, INT32 Noise
 	
 	if (Num >= MAX_SN76496_CHIPS) return;
 	
-	NumChips = Num;
+	NumChips = Num + 1;
 	
 	if (Num == 0) {
 		Chip0 = (struct SN76496*)BurnMalloc(sizeof(*Chip0));
@@ -445,7 +445,7 @@ INT32 SN76496Scan(INT32 nAction,INT32 *pnMin)
 	}
 	
 	if (nAction & ACB_DRIVER_DATA) {
-		for (INT32 i = 0; i <= NumChips; i++) {
+		for (INT32 i = 0; i < NumChips; i++) {
 			SN76496 *Chip = Chip0;
 			if (i == 1) Chip = Chip1;
 			if (i == 2) Chip = Chip2;