diff --git a/drivers/media/common/siano/smsdvb-main.c b/drivers/media/common/siano/smsdvb-main.c
index 086262252230b98475eed8f6e0422e51e16b99e0..63676a8b024c874ab20c95862b5b1140e02d73b1 100644
--- a/drivers/media/common/siano/smsdvb-main.c
+++ b/drivers/media/common/siano/smsdvb-main.c
@@ -276,7 +276,8 @@ static void smsdvb_update_per_slices(struct smsdvb_client_t *client,
 
 	/* Legacy PER/BER */
 	tmp = p->ets_packets * 65535;
-	do_div(tmp, p->ts_packets + p->ets_packets);
+	if (p->ts_packets + p->ets_packets)
+		do_div(tmp, p->ts_packets + p->ets_packets);
 	client->legacy_per = tmp;
 }