diff --git a/src/coding/libosmocoding.map b/src/coding/libosmocoding.map
index ff6ea80..a78da27 100644
--- a/src/coding/libosmocoding.map
+++ b/src/coding/libosmocoding.map
@@ -107,6 +107,7 @@
 gsm0503_tch_fr_decode;
 gsm0503_tch_hr_encode;
 gsm0503_tch_hr_decode;
+gsm0503_tch_hr_decode2;
 gsm0503_tch_afs_encode;
 gsm0503_tch_afs_decode;
 gsm0503_tch_afs_decode_dtx;