diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 36cba39..2da8649 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -162,7 +162,7 @@
 gsm0808_dec_encrypt_info;
 gsm0808_enc_cell_id_list;
 gsm0808_dec_cell_id_list;
-gsm0808_convert_to_speech_codec_type;
+gsm0808_chan_type_to_speech_codec;
 gsm0808_extrapolate_speech_codec;
 
 gsm0858_rsl_ul_meas_enc;