diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 5eed5b5..3b403c2 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -202,6 +202,7 @@
 gsm0808_speech_codec_from_chan_type;
 gsm0808_speech_codec_type_names;
 gsm0808_permitted_speech_names;
+gsm0808_chosen_enc_alg_names;
 gsm0808_channel_type_name;
 gsm0808_lcls_config_names;
 gsm0808_lcls_control_names;