diff --git a/frontends/stv0910.c b/frontends/stv0910.c
index e29a0e3..9d4bbf1 100644
--- a/frontends/stv0910.c
+++ b/frontends/stv0910.c
@@ -1190,6 +1190,12 @@ static int probe(struct stv *state)
 	write_reg(state, RSTV0910_P1_I2CRPT, state->i2crpt);
 	write_reg(state, RSTV0910_P2_I2CRPT, state->i2crpt);
 
+	write_reg(state, RSTV0910_P1_TSINSDELM, 0x17);
+	write_reg(state, RSTV0910_P1_TSINSDELL, 0xff);
+
+	write_reg(state, RSTV0910_P2_TSINSDELM, 0x17);
+	write_reg(state, RSTV0910_P2_TSINSDELL, 0xff);
+
 	init_diseqc(state);
 	return 0;
 }