diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 7b2c18f..56a57b8 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -372,6 +372,8 @@
 gsm48_generate_mid_from_imsi;
 gsm48_generate_mid_from_tmsi;
 gsm48_mi_to_string;
+gsm48_chan_mode_to_vamos;
+gsm48_chan_mode_to_non_vamos;
 osmo_mobile_identity_to_str_buf;
 osmo_mobile_identity_to_str_c;
 osmo_mobile_identity_cmp;