diff --git a/acme.js b/acme.js
index 1c35d4c..61824e8 100644
--- a/acme.js
+++ b/acme.js
@@ -1159,9 +1159,8 @@ ACME._orderCert = function (me, options, kid) {
 		// raw wildcard syntax MUST be used here
 		identifiers: options.domains.map(function (hostname) {
 			return { type: 'dns', value: hostname };
-		})
-		//, "notBefore": "2016-01-01T00:00:00Z"
-		//, "notAfter": "2016-01-08T00:00:00Z"
+		}),
+		...options.additionalOrderFields
 	};
 
 	return ACME._prepRequest(me, options)