fix OER stubs order
diff --git a/skeletons/NULL.c b/skeletons/NULL.c
index 03090d1..2482eb7 100644
--- a/skeletons/NULL.c
+++ b/skeletons/NULL.c
@@ -23,13 +23,6 @@
 	NULL_encode_der,	/* Special handling of DER encoding */
 	NULL_decode_xer,
 	NULL_encode_xer,
-#ifdef	ASN_DISABLE_PER_SUPPORT
-	0,
-	0,
-#else
-	NULL_decode_uper,	/* Unaligned PER decoder */
-	NULL_encode_uper,	/* Unaligned PER encoder */
-#endif	/* ASN_DISABLE_PER_SUPPORT */
 #ifdef	ASN_DISABLE_OER_SUPPORT
 	0,
 	0,
@@ -37,6 +30,13 @@
 	0,
 	0,
 #endif  /* ASN_DISABLE_OER_SUPPORT */
+#ifdef	ASN_DISABLE_PER_SUPPORT
+	0,
+	0,
+#else
+	NULL_decode_uper,	/* Unaligned PER decoder */
+	NULL_encode_uper,	/* Unaligned PER encoder */
+#endif	/* ASN_DISABLE_PER_SUPPORT */
 	0, /* Use generic outmost tag fetcher */
 	asn_DEF_NULL_tags,
 	sizeof(asn_DEF_NULL_tags) / sizeof(asn_DEF_NULL_tags[0]),