diff --git a/lib/bcoin/hd.js b/lib/bcoin/hd.js
index 160863c1..77ce3d3a 100644
--- a/lib/bcoin/hd.js
+++ b/lib/bcoin/hd.js
@@ -522,7 +522,7 @@ HDPublicKey.prototype._build = function _build(data) {
 };
 
 HDPublicKey.prototype.derive = function derive(index, hardened) {
-  var data, hash, leftPart, chainCode, pair, pubkeyPoint, publicKey;
+  var data, hash, leftPart, chainCode, pair, point, publicKey;
 
   if (typeof index === 'string')
     return this.deriveString(index);
@@ -539,8 +539,8 @@ HDPublicKey.prototype.derive = function derive(index, hardened) {
   chainCode = hash.slice(32, 64);
 
   pair = bcoin.ecdsa.keyPair({ pub: this.publicKey });
-  pubkeyPoint = ec.curve.g.mul(leftPart).add(pair.pub);
-  publicKey = bcoin.ecdsa.keyFromPublic(pubkeyPoint).getPublic(true, 'array');
+  point = ec.curve.g.mul(leftPart).add(pair.pub);
+  publicKey = bcoin.ecdsa.keyPair({ pub: point }).getPublic(true, 'array');
 
   return new HDPublicKey({
     version: null,
diff --git a/lib/bcoin/wallet.js b/lib/bcoin/wallet.js
index 6081b888..6a464d33 100644
--- a/lib/bcoin/wallet.js
+++ b/lib/bcoin/wallet.js
@@ -654,7 +654,7 @@ Wallet.fromJSON = function fromJSON(json, decrypt) {
       json.hd.seed.mnemonic = decrypt(json.hd.seed.mnemonic);
       json.hd.seed.passphrase = decrypt(json.hd.seed.passphrase);
     }
-    priv = new hd.priv(json.hd);
+    priv = bcoin.hd.priv(json.hd);
   }
 
   w = new Wallet({