diff --git a/skeletons/IA5String.c b/skeletons/IA5String.c
index 5c000b0..8d81e44 100644
--- a/skeletons/IA5String.c
+++ b/skeletons/IA5String.c
@@ -12,6 +12,11 @@
 	(ASN_TAG_CLASS_UNIVERSAL | (22 << 2)),	/* [UNIVERSAL 22] IMPLICIT ...*/
 	(ASN_TAG_CLASS_UNIVERSAL | (4 << 2))	/* ... OCTET STRING */
 };
+static asn_per_constraints_t asn_DEF_IA5String_constraints = {
+	{ APC_CONSTRAINED, 7, 7, 0, 0x7f },	/* Value */
+	{ APC_SEMI_CONSTRAINED, -1, -1, 0, 0 },	/* Size */
+	0, 0
+};
 asn_TYPE_descriptor_t asn_DEF_IA5String = {
 	"IA5String",
 	"IA5String",
@@ -22,7 +27,8 @@
 	OCTET_STRING_encode_der,
 	OCTET_STRING_decode_xer_utf8,
 	OCTET_STRING_encode_xer_utf8,
-	0, 0,
+	OCTET_STRING_decode_uper,
+	OCTET_STRING_encode_uper,
 	0, /* Use generic outmost tag fetcher */
 	asn_DEF_IA5String_tags,
 	sizeof(asn_DEF_IA5String_tags)
@@ -30,7 +36,7 @@
 	asn_DEF_IA5String_tags,
 	sizeof(asn_DEF_IA5String_tags)
 	  / sizeof(asn_DEF_IA5String_tags[0]),
-	0,	/* No PER visible constraints */
+	&asn_DEF_IA5String_constraints,
 	0, 0,	/* No members */
 	0	/* No specifics */
 };