diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 32e4ce9..217dcc3 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -157,6 +157,8 @@
 gsm0808_create_cipher;
 gsm0808_create_cipher_complete;
 gsm0808_create_cipher_reject;
+gsm0808_create_cipher_reject_ext;
+gsm0808_get_cipher_reject_cause;
 gsm0808_create_classmark_request;
 gsm0808_create_classmark_update;
 gsm0808_create_clear_command;