diff --git a/skeletons/UniversalString.c b/skeletons/UniversalString.c
index 0fab915..a39e569 100644
--- a/skeletons/UniversalString.c
+++ b/skeletons/UniversalString.c
@@ -23,7 +23,7 @@
 	OCTET_STRING_encode_der,
 	UniversalString_decode_xer,	/* Convert from UTF-8 */
 	UniversalString_encode_xer,	/* Convert into UTF-8 */
-	0,
+	0, 0,
 	0, /* Use generic outmost tag fetcher */
 	asn_DEF_UniversalString_tags,
 	sizeof(asn_DEF_UniversalString_tags)