diff --git a/skeletons/UTF8String.c b/skeletons/UTF8String.c
index d666a4e..ed2431a 100644
--- a/skeletons/UTF8String.c
+++ b/skeletons/UTF8String.c
@@ -23,8 +23,13 @@
 	OCTET_STRING_encode_der,
 	OCTET_STRING_decode_xer_utf8,
 	OCTET_STRING_encode_xer_utf8,
+#ifdef	ASN_DISABLE_PER_SUPPORT
+	0,
+	0,
+#else
 	OCTET_STRING_decode_uper,
 	OCTET_STRING_encode_uper,
+#endif	/* ASN_DISABLE_PER_SUPPORT */
 	0, /* Use generic outmost tag fetcher */
 	asn_DEF_UTF8String_tags,
 	sizeof(asn_DEF_UTF8String_tags)