diff --git a/lib/bcoin/hd.js b/lib/bcoin/hd.js
index ce0f85b0..76e84790 100644
--- a/lib/bcoin/hd.js
+++ b/lib/bcoin/hd.js
@@ -382,7 +382,7 @@ HD.parsePath = function parsePath(path, max) {
     if (!/^\d+$/.test(index))
       throw new Error('Non-number path index.');
 
-    index = +index;
+    index = parseInt(index, 10);
 
     if (hardened)
       index += constants.hd.HARDENED;