diff --git a/frontends/stv0910.c b/frontends/stv0910.c
index 2bcedb6..c3389b7 100644
--- a/frontends/stv0910.c
+++ b/frontends/stv0910.c
@@ -1298,7 +1298,7 @@ static int get_frontend(struct dvb_frontend *fe, struct dtv_frontend_properties
 			FEC_3_4, FEC_4_5, FEC_5_6, FEC_8_9,
 			FEC_9_10
 		};
-		enum fe_rolloff ro2ro[3] = {
+		enum fe_rolloff ro2ro[4] = {
 			ROLLOFF_35, ROLLOFF_25, ROLLOFF_20, ROLLOFF_15,
 		};
 		read_reg(state, RSTV0910_P2_DMDMODCOD + state->regoff, &tmp);