diff --git a/skeletons/NULL.c b/skeletons/NULL.c
index 4ea0669..d71d90d 100644
--- a/skeletons/NULL.c
+++ b/skeletons/NULL.c
@@ -23,6 +23,7 @@
 	sizeof(asn1_DEF_NULL_tags)/sizeof(asn1_DEF_NULL_tags[0]),
 	1,	/* Single UNIVERSAL tag may be implicitly overriden */
 	0,	/* Always in primitive form */
+	0, 0,	/* No members */
 	0	/* No specifics */
 };