diff --git a/skeletons/OBJECT_IDENTIFIER.h b/skeletons/OBJECT_IDENTIFIER.h
index 8d43c99..4f45090 100644
--- a/skeletons/OBJECT_IDENTIFIER.h
+++ b/skeletons/OBJECT_IDENTIFIER.h
@@ -12,9 +12,10 @@
 
 extern asn1_TYPE_descriptor_t asn1_DEF_OBJECT_IDENTIFIER;
 
-der_type_encoder_f OBJECT_IDENTIFIER_encode_der;
-asn_constr_check_f OBJECT_IDENTIFIER_constraint;
 asn_struct_print_f OBJECT_IDENTIFIER_print;
+asn_constr_check_f OBJECT_IDENTIFIER_constraint;
+der_type_encoder_f OBJECT_IDENTIFIER_encode_der;
+xer_type_encoder_f OBJECT_IDENTIFIER_encode_xer;
 
 /**********************************
  * Some handy conversion routines *
@@ -27,6 +28,10 @@
 	int add, /* Arbitrary offset, required to process the first two arcs */
 	asn_app_consume_bytes_f *cb, void *app_key);
 
+/* Same as above, but returns the number of written digits, instead of 0 */
+ssize_t OBJECT_IDENTIFIER__dump_arc(uint8_t *arcbuf, int arclen, int add,
+	asn_app_consume_bytes_f *cb, void *app_key);
+
 /*
  * This function fills an (_arcs) array with OBJECT IDENTIFIER arcs
  * up to specified (_arc_slots) elements.