diff --git a/libasn1fix/asn1fix_enum.h b/libasn1fix/asn1fix_enum.h
new file mode 100644
index 0000000..14c6fb5
--- /dev/null
+++ b/libasn1fix/asn1fix_enum.h
@@ -0,0 +1,6 @@
+#ifndef	_ASN1FIX_ENUM_H_
+#define	_ASN1FIX_ENUM_H_
+
+int asn1f_fix_enum(arg_t *);	/* Enumeration ::= ENUMERATED { a(1), b(2) } */
+
+#endif	/* _ASN1FIX_ENUM_H_ */