diff --git a/lib/bcoin/wallet.js b/lib/bcoin/wallet.js
index 23b3d16c..7a4fb998 100644
--- a/lib/bcoin/wallet.js
+++ b/lib/bcoin/wallet.js
@@ -435,7 +435,7 @@ Wallet.prototype.getID = function getID() {
 
 /**
  * Generate the wallet api key if none was passed in.
- * It is represented as HASH256(m/44'->public|nonce).
+ * It is represented as HASH256(m/44'->private|nonce).
  * @private
  * @param {HDPrivateKey} master
  * @param {Number} nonce
@@ -450,7 +450,7 @@ Wallet.prototype.getToken = function getToken(master, nonce) {
   key = master.derive(44, true);
 
   p = new BufferWriter();
-  p.writeBytes(key.publicKey);
+  p.writeBytes(key.privateKey);
   p.writeU32(nonce);
 
   return utils.hash256(p.render());