diff --git a/skeletons/constr_SEQUENCE_OF.h b/skeletons/constr_SEQUENCE_OF.h
index 32078cb..e2272f3 100644
--- a/skeletons/constr_SEQUENCE_OF.h
+++ b/skeletons/constr_SEQUENCE_OF.h
@@ -24,6 +24,7 @@
 #define	SEQUENCE_OF_decode_uper	SET_OF_decode_uper
 der_type_encoder_f SEQUENCE_OF_encode_der;
 xer_type_encoder_f SEQUENCE_OF_encode_xer;
+per_type_encoder_f SEQUENCE_OF_encode_uper;
 
 #ifdef __cplusplus
 }