diff --git a/skeletons/BIT_STRING.h b/skeletons/BIT_STRING.h
index ff622a3..665d036 100644
--- a/skeletons/BIT_STRING.h
+++ b/skeletons/BIT_STRING.h
@@ -9,7 +9,7 @@
 
 typedef OCTET_STRING_t BIT_STRING_t; /* Implemented via OCTET STRING */
 
-extern asn1_TYPE_descriptor_t asn1_DEF_BIT_STRING;
+extern asn_TYPE_descriptor_t asn_DEF_BIT_STRING;
 
 asn_struct_print_f BIT_STRING_print;	/* Human-readable output */
 asn_constr_check_f BIT_STRING_constraint;