diff --git a/src/gb/libosmogb.map b/src/gb/libosmogb.map
index 7da11cd..2327815 100644
--- a/src/gb/libosmogb.map
+++ b/src/gb/libosmogb.map
@@ -96,6 +96,8 @@
 bssgp_bvc_get_features_advertised;
 bssgp_bvc_get_features_received;
 bssgp_bvc_get_features_negotiated;
+bssgp_bvc_fsm_set_max_pdu_len;
+bssgp_bvc_fsm_get_max_pdu_len;
 
 osmo_fr_network_alloc;
 osmo_fr_link_alloc;