diff --git a/src/gsm/libosmogsm.map b/src/gsm/libosmogsm.map
index 5f2fb8f..8d28476 100644
--- a/src/gsm/libosmogsm.map
+++ b/src/gsm/libosmogsm.map
@@ -85,6 +85,8 @@
 gsm0503_sch;
 gsm0503_cs2;
 gsm0503_cs3;
+gsm0503_cs2_np;
+gsm0503_cs3_np;
 gsm0503_tch_fr;
 gsm0503_tch_hr;
 gsm0503_tch_afs_12_2;