diff --git a/src/osmo-bsc/abis_nm.c b/src/osmo-bsc/abis_nm.c
index 89a6d82d4..d147606ac 100644
--- a/src/osmo-bsc/abis_nm.c
+++ b/src/osmo-bsc/abis_nm.c
@@ -494,7 +494,8 @@ static inline const uint8_t *parse_attr_resp_info_unreported(uint8_t bts_nr, con
 		     bts_nr, get_value_string(abis_nm_att_names, ari[i + 1]));
 
 	/* the data starts right after the list of unreported attributes + space for length of that list */
-	*out_len = ari_len - (num_unreported + 2);
+	if (out_len)
+		*out_len = ari_len - (num_unreported + 2);
 
 	return ari + num_unreported + 1; /* we have to account for 1st byte with number of unreported attributes */
 }
@@ -575,6 +576,13 @@ static int parse_attr_resp_info_attr(struct gsm_bts *bts, const struct gsm_bts_t
 			bts->nr, unit_id);
 	}
 
+	/* nanoBTS provides Get Attribute Response Info at random position and only the unreported part of it. */
+	if (TLVP_PRES_LEN(tp, NM_ATT_GET_ARI, 1)) {
+		data = TLVP_VAL(tp, NM_ATT_GET_ARI);
+		len = TLVP_LEN(tp, NM_ATT_GET_ARI);
+		parse_attr_resp_info_unreported(bts->nr, data, len, NULL);
+	}
+
 	return 0;
 }