diff --git a/src/mame/audio/snes_snd.c b/src/mame/audio/snes_snd.c
index 7e2100cfdab..16f36959ba5 100644
--- a/src/mame/audio/snes_snd.c
+++ b/src/mame/audio/snes_snd.c
@@ -98,7 +98,8 @@ static const int gauss[]=
 	0x502, 0x503, 0x504, 0x506, 0x507, 0x508, 0x50A, 0x50B,
 	0x50C, 0x50D, 0x50E, 0x50F, 0x510, 0x511, 0x511, 0x512,
 	0x513, 0x514, 0x514, 0x515, 0x516, 0x516, 0x517, 0x517,
-	0x517, 0x518, 0x518, 0x518, 0x518, 0x518, 0x519, 0x519
+	0x517, 0x518, 0x518, 0x518, 0x518, 0x518, 0x519, 0x519,
+	0x519, 0x519, 0x519, 0x519, 0x519, 0x519, 0x519, 0x519
 };
 
 #undef DEBUG
@@ -125,7 +126,7 @@ static const int gauss[]=
 static const int *const G1 = &gauss[256];
 static const int *const G2 = &gauss[512];
 static const int *const G3 = &gauss[255];
-static const int *const G4 = &gauss[-1];
+static const int *const G4 = &gauss[511];
 
 static const int        mask = 0xFF;