diff --git a/skeletons/IA5String.c b/skeletons/IA5String.c
index abc9ff3..5c000b0 100644
--- a/skeletons/IA5String.c
+++ b/skeletons/IA5String.c
@@ -22,7 +22,7 @@
 	OCTET_STRING_encode_der,
 	OCTET_STRING_decode_xer_utf8,
 	OCTET_STRING_encode_xer_utf8,
-	0,
+	0, 0,
 	0, /* Use generic outmost tag fetcher */
 	asn_DEF_IA5String_tags,
 	sizeof(asn_DEF_IA5String_tags)