diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 5598859..a72db52 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -339,6 +339,7 @@
 osmo_auth_load;
 osmo_auth_register;
 osmo_auth_supported;
+osmo_sub_auth_type_names;
 
 osmo_rsl2sitype;
 osmo_sitype2rsl;