diff --git a/lib/schematype.js b/lib/schematype.js
index 77efad175f3..dc69a8a03f7 100644
--- a/lib/schematype.js
+++ b/lib/schematype.js
@@ -1405,6 +1405,8 @@ SchemaType.prototype.checkRequired = function(val) {
 SchemaType.prototype.clone = function() {
   const options = Object.assign({}, this.options);
   const schematype = new this.constructor(this.path, options, this.instance);
+  schematype.validators = this.validators.slice();
+  schematype.requiredValidator = this.requiredValidator;
   return schematype;
 };