diff --git a/packages/web3-core-helpers/src/formatters.js b/packages/web3-core-helpers/src/formatters.js
index 0b0e580cbf7..074853e2340 100644
--- a/packages/web3-core-helpers/src/formatters.js
+++ b/packages/web3-core-helpers/src/formatters.js
@@ -238,7 +238,7 @@ var outputTransactionFormatter = function (tx) {
     if (tx.transactionIndex !== null)
         tx.transactionIndex = utils.hexToNumber(tx.transactionIndex);
     tx.nonce = utils.hexToNumber(tx.nonce);
-    tx.gas = utils.hexToNumber(tx.gas);
+    tx.gas = utils.hexToNumberString(tx.gas);
     tx.gasPrice = outputBigNumberFormatter(tx.gasPrice);
     tx.value = outputBigNumberFormatter(tx.value);