diff --git a/skeletons/BOOLEAN.c b/skeletons/BOOLEAN.c
index 6a4cdc7..ad7321c 100644
--- a/skeletons/BOOLEAN.c
+++ b/skeletons/BOOLEAN.c
@@ -134,10 +134,12 @@
  * Decode the chunk of XML text encoding INTEGER.
  */
 static ssize_t
-BOOLEAN__xer_body_decode(void *sptr, void *chunk_buf, size_t chunk_size) {
+BOOLEAN__xer_body_decode(asn_TYPE_descriptor_t *td, void *sptr, void *chunk_buf, size_t chunk_size) {
 	BOOLEAN_t *st = (BOOLEAN_t *)sptr;
 	char *p = (char *)chunk_buf;
 
+	(void)td;
+
 	if(chunk_size == 0) return -1;
 
 	if(p[0] == 0x3c /* '<' */) {