diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 7eebe7f..0aeefbb 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -138,6 +138,8 @@
 gsm48_parse_ra;
 gsm48_rr_att_tlvdef;
 gsm48_mi_type_name;
+gsm48_mcc_mnc_to_bcd;
+gsm48_mcc_mnc_from_bcd;
 
 gsm_7bit_decode;
 gsm_7bit_decode_ussd;