diff --git a/app/sign.js b/app/sign.js
index d77cde7..eeb3e88 100644
--- a/app/sign.js
+++ b/app/sign.js
@@ -342,7 +342,7 @@ const parseKey = function(rawkey, coin, path) {
   }
   // if it doesn't have commas, we expect it is an xprv or xlmsecret properly formatted
   if(path) {
-    let node = utxoLib.HDNode.fromPrivateKeyBuffer(Buffer.from(rawkey, 'hex'));
+    let node = utxoLib.HDNode.fromBase58(rawkey);
     node = node.derivePath(path);
     return node.toBase58();
   }