diff --git a/skeletons/NativeInteger.h b/skeletons/NativeInteger.h
index f38fd47..e2ce22e 100644
--- a/skeletons/NativeInteger.h
+++ b/skeletons/NativeInteger.h
@@ -27,6 +27,7 @@
 der_type_encoder_f NativeInteger_encode_der;
 xer_type_decoder_f NativeInteger_decode_xer;
 xer_type_encoder_f NativeInteger_encode_xer;
+per_type_decoder_f NativeInteger_decode_uper;
 
 #ifdef __cplusplus
 }