structure comparison functions
diff --git a/skeletons/NumericString.h b/skeletons/NumericString.h
index aec4365..d805561 100644
--- a/skeletons/NumericString.h
+++ b/skeletons/NumericString.h
@@ -17,14 +17,15 @@
 
 asn_constr_check_f NumericString_constraint;
 
-#define NumericString_free           OCTET_STRING_free
-#define NumericString_print          OCTET_STRING_print_utf8
-#define NumericString_decode_ber     OCTET_STRING_decode_ber
-#define NumericString_encode_der     OCTET_STRING_encode_der
-#define NumericString_decode_xer     OCTET_STRING_decode_xer_utf8
-#define NumericString_encode_xer     OCTET_STRING_encode_xer_utf8
-#define NumericString_decode_uper    OCTET_STRING_decode_uper
-#define NumericString_encode_uper    OCTET_STRING_encode_uper
+#define NumericString_free          OCTET_STRING_free
+#define NumericString_print         OCTET_STRING_print_utf8
+#define NumericString_compare       OCTET_STRING_compare
+#define NumericString_decode_ber    OCTET_STRING_decode_ber
+#define NumericString_encode_der    OCTET_STRING_encode_der
+#define NumericString_decode_xer    OCTET_STRING_decode_xer_utf8
+#define NumericString_encode_xer    OCTET_STRING_encode_xer_utf8
+#define NumericString_decode_uper   OCTET_STRING_decode_uper
+#define NumericString_encode_uper   OCTET_STRING_encode_uper
 
 #ifdef __cplusplus
 }