diff --git a/openbsc/src/osmo-bsc_nat/bsc_nat_utils.c b/openbsc/src/osmo-bsc_nat/bsc_nat_utils.c
index cf125a6..1fd226f 100644
--- a/openbsc/src/osmo-bsc_nat/bsc_nat_utils.c
+++ b/openbsc/src/osmo-bsc_nat/bsc_nat_utils.c
@@ -907,7 +907,7 @@
 {
 	struct bsc_nat_num_rewr_entry *entry;
 	char *new_number = NULL;
-	uint8_t dest_match = 0;
+	uint8_t dest_match = llist_empty(&nat->tpdest_match);
 
 	/* We will find a new number now */
 	llist_for_each_entry(entry, &nat->smsc_rewr, list) {