diff --git a/ChangeLog b/ChangeLog
index acba5a4b30e058ea71e07a276b6d38c78a57a757..b2be36b08509e09e38d517520af196f1dcebfb4c 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,8 @@
 
+0.9.13:	2005-Mar-10
+
+	* Added extra const qualifiers into the support code.
+
 0.9.12:	2005-Mar-10
 
 	* Fixed a name clash in produced constraint checking code.
diff --git a/asn1c/unber.c b/asn1c/unber.c
index 0e1db3b271253c065a6e0b222562242c4140e400..4a68c685d7162f96ce9fd95d0d60b77c9849e040 100644
--- a/asn1c/unber.c
+++ b/asn1c/unber.c
@@ -694,7 +694,7 @@ decode_tlv_from_string(const char *datastring) {
 /*
  * Dummy functions.
  */
-asn_dec_rval_t ber_check_tags(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td, asn_struct_ctx_t *opt_ctx, void *ptr, size_t size, int tag_mode, int last_tag_form, ber_tlv_len_t *last_length, int *opt_tlv_form) { asn_dec_rval_t rv; (void)opt_codec_ctx; (void)td; (void)opt_ctx; (void)ptr; (void)size; (void)tag_mode; (void)last_tag_form; (void)last_length; (void)opt_tlv_form; return rv; }
+asn_dec_rval_t ber_check_tags(asn_codec_ctx_t *opt_codec_ctx, asn_TYPE_descriptor_t *td, asn_struct_ctx_t *opt_ctx, const void *ptr, size_t size, int tag_mode, int last_tag_form, ber_tlv_len_t *last_length, int *opt_tlv_form) { asn_dec_rval_t rv; (void)opt_codec_ctx; (void)td; (void)opt_ctx; (void)ptr; (void)size; (void)tag_mode; (void)last_tag_form; (void)last_length; (void)opt_tlv_form; return rv; }
 
 ssize_t der_write_tags(asn_TYPE_descriptor_t *td, size_t slen, int tag_mode, int last_tag_form, ber_tlv_tag_t tag, asn_app_consume_bytes_f *cb, void *app_key) { (void)td; (void)slen; (void)tag_mode; (void)last_tag_form; (void)tag; (void)cb; (void)app_key; return -1; }