diff --git a/skeletons/T61String.h b/skeletons/T61String.h
index f706338..6a8b874 100644
--- a/skeletons/T61String.h
+++ b/skeletons/T61String.h
@@ -15,6 +15,16 @@
 
 extern asn_TYPE_descriptor_t asn_DEF_T61String;
 
+#define T61String_free         OCTET_STRING_free
+#define T61String_print        OCTET_STRING_print
+#define T61String_constraint   asn_generic_unknown_constraint
+#define T61String_decode_ber   OCTET_STRING_decode_ber
+#define T61String_encode_der   OCTET_STRING_encode_der
+#define T61String_decode_xer   OCTET_STRING_decode_xer_hex
+#define T61String_encode_xer   OCTET_STRING_encode_xer
+#define T61String_decode_uper  OCTET_STRING_decode_uper
+#define T61String_encode_uper  OCTET_STRING_encode_uper
+
 #ifdef __cplusplus
 }
 #endif