diff --git a/lib/types.js b/lib/types.js
index 4eee88ac..aea86d02 100644
--- a/lib/types.js
+++ b/lib/types.js
@@ -17,7 +17,7 @@ module.exports = function (Types) {
         return this.value;
     };
 
-    Types.JSON = function JSON() {
+    Types.JSON = function JSON(value) {
         if (!(this instanceof JSON)) {
             return new JSON(value);
         }
@@ -27,7 +27,7 @@ module.exports = function (Types) {
         return this.value;
     };
 
-    Types.Any = function Any() {
+    Types.Any = function Any(value) {
         if (!(this instanceof Any)) {
             return new Any(value);
         }