diff --git a/skeletons/GeneralizedTime.c b/skeletons/GeneralizedTime.c
index 07297db..61cbf44 100644
--- a/skeletons/GeneralizedTime.c
+++ b/skeletons/GeneralizedTime.c
@@ -181,8 +181,13 @@
 	GeneralizedTime_encode_der,
 	OCTET_STRING_decode_xer_utf8,
 	GeneralizedTime_encode_xer,
+#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_GeneralizedTime_tags,
 	sizeof(asn_DEF_GeneralizedTime_tags)