diff --git a/drivers/media/dvb-frontends/ds3000.c b/drivers/media/dvb-frontends/ds3000.c
index 1e344b033277c3ccf362b163aa3069f431327346..335daeff91b941d97854d74292435f977e3cc2a5 100644
--- a/drivers/media/dvb-frontends/ds3000.c
+++ b/drivers/media/dvb-frontends/ds3000.c
@@ -616,7 +616,7 @@ static int ds3000_read_snr(struct dvb_frontend *fe, u16 *snr)
 			snr_reading = dvbs2_noise_reading / tmp;
 			if (snr_reading > 80)
 				snr_reading = 80;
-			*snr = -(dvbs2_snr_tab[snr_reading] / 1000);
+			*snr = -(dvbs2_snr_tab[snr_reading - 1] / 1000);
 		}
 		dprintk("%s: raw / cooked = 0x%02x / 0x%04x\n", __func__,
 				snr_reading, *snr);