diff --git a/lib/hd/hd.js b/lib/hd/hd.js
index 388abb95..3b1c2ae8 100644
--- a/lib/hd/hd.js
+++ b/lib/hd/hd.js
@@ -112,26 +112,21 @@ HD.fromExtended = function fromExtended(data) {
  */
 
 HD.from = function from(options, network) {
-  var xkey;
-
   assert(options, 'Options required.');
 
-  if (options.xkey)
-    xkey = options.xkey;
-  else if (options.xpubkey)
-    xkey = options.xpubkey;
-  else if (options.xprivkey)
-    xkey = options.xprivkey;
-  else
-    xkey = options;
+  if (HD.isHD(options))
+    return options;
 
-  if (HD.isExtended(xkey))
-    return HD.fromBase58(xkey);
+  if (HD.isExtended(options))
+    return HD.fromBase58(options);
 
   if (HD.hasPrefix(options))
     return HD.fromRaw(options);
 
-  return HD.fromMnemonic(options, network);
+  if (options && typeof options === 'object')
+    return HD.fromMnemonic(options, network);
+
+  throw new Error('Cannot create HD key from bad options.');
 };
 
 /**