diff --git a/src/core/libosmocore.map b/src/core/libosmocore.map
index b66e37d..a50a9ed 100644
--- a/src/core/libosmocore.map
+++ b/src/core/libosmocore.map
@@ -266,7 +266,10 @@
 osmo_iofd_ops;
 osmo_iofd_register;
 osmo_iofd_sendto_msgb;
+osmo_iofd_sctp_send_msgb;
+osmo_iofd_sendmsg_msgb;
 osmo_iofd_set_alloc_info;
+osmo_iofd_set_cmsg_size;
 osmo_iofd_set_data;
 osmo_iofd_set_ioops;
 osmo_iofd_set_priv_nr;