diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 3dccb22..96779d2 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -170,6 +170,9 @@
 gsm0808_create_sapi_reject;
 gsm0808_create_handover_required;
 gsm0808_create_handover_request_ack;
+gsm0808_create_handover_detect;
+gsm0808_create_handover_complete;
+gsm0808_create_handover_failure;
 gsm0808_prepend_dtap_header;
 gsm0808_enc_aoip_trasp_addr;
 gsm0808_dec_aoip_trasp_addr;