diff --git a/lib/account.js b/lib/account.js
index 68eb41e..b702298 100644
--- a/lib/account.js
+++ b/lib/account.js
@@ -176,7 +176,7 @@ function verifyTransactionBytes(byteArray, requestType, data, publicKey) {
     var data_raddress = rsConvert(data.recipient)['accountRS'];
     if (
       transaction_raddress.substring(transaction_raddress.indexOf("-")) !==
-      data_raddress.substring(data.recipient.indexOf("-"))
+      data_raddress.substring(data_raddress.indexOf("-"))
     ) {
       return false;
     }
diff --git a/util/curve25519_.js b/util/curve25519_.js
index f5f1f39..8167ad6 100644
--- a/util/curve25519_.js
+++ b/util/curve25519_.js
@@ -1173,4 +1173,4 @@ var curve25519_verify = function (Y, v, h, P) {
   curve25519_fillByteArray(YY, Y);
 };
 
-export default { curve25519_ };
+export default curve25519_ ;