diff --git a/skeletons/constr_SEQUENCE.h b/skeletons/constr_SEQUENCE.h
index c2aeb66..d181848 100644
--- a/skeletons/constr_SEQUENCE.h
+++ b/skeletons/constr_SEQUENCE.h
@@ -52,6 +52,8 @@
 xer_type_encoder_f SEQUENCE_encode_xer;
 per_type_decoder_f SEQUENCE_decode_uper;
 per_type_encoder_f SEQUENCE_encode_uper;
+per_type_decoder_f SEQUENCE_decode_aper;
+per_type_encoder_f SEQUENCE_encode_aper;
 
 #ifdef __cplusplus
 }