1 files changed, 2 insertions, 0 deletions
diff --git a/lib/internal/crypto/hash.js b/lib/internal/crypto/hash.js
index 460e47138e..f289d11cf8 100644
--- a/lib/internal/crypto/hash.js
+++ b/lib/internal/crypto/hash.js
@@ -39,6 +39,7 @@ function Hash(algorithm, options) {
 }
 
 Object.setPrototypeOf(Hash.prototype, LazyTransform.prototype);
+Object.setPrototypeOf(Hash, LazyTransform);
 
 Hash.prototype._transform = function _transform(chunk, encoding, callback) {
   this[kHandle].update(chunk, encoding);
@@ -100,6 +101,7 @@ function Hmac(hmac, key, options) {
 }
 
 Object.setPrototypeOf(Hmac.prototype, LazyTransform.prototype);
+Object.setPrototypeOf(Hmac, LazyTransform);
 
 Hmac.prototype.update = Hash.prototype.update;