diff --git a/src/transaction/makeOutput.js b/src/transaction/makeOutput.js
index fa15747..208bfcf 100644
--- a/src/transaction/makeOutput.js
+++ b/src/transaction/makeOutput.js
@@ -8,9 +8,9 @@
  */
 export default function makeOutput(condition, amount = 1) {
     return {
-        amount: JSON.stringify(amount),
+        amount: amount,
         condition,
         'public_keys': condition.details.hasOwnProperty('public_key') ?
             [condition.details.public_key] : [],
     };
-}
\ No newline at end of file
+}