diff --git a/libasn1fix/asn1fix_param.h b/libasn1fix/asn1fix_param.h
new file mode 100644
index 0000000..062ad8b
--- /dev/null
+++ b/libasn1fix/asn1fix_param.h
@@ -0,0 +1,6 @@
+#ifndef	_ASN1FIX_PARAMETRIZATION_H_
+#define	_ASN1FIX_PARAMETRIZATION_H_
+
+int asn1f_fix_parametrized_assignment(arg_t *arg);
+
+#endif	/* _ASN1FIX_PARAMETRIZATION_H_ */