diff --git a/skeletons/constr_SET.h b/skeletons/constr_SET.h
index 41d6a7f..afe0c7c 100644
--- a/skeletons/constr_SET.h
+++ b/skeletons/constr_SET.h
@@ -46,6 +46,7 @@
 asn_constr_check_f SET_constraint;
 ber_type_decoder_f SET_decode_ber;
 der_type_encoder_f SET_encode_der;
+xer_type_decoder_f SET_decode_xer;
 xer_type_encoder_f SET_encode_xer;
 
 /***********************