diff --git a/lib/utils.js b/lib/utils.js
index ebaa93b..de1ef87 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -30,7 +30,7 @@ let subAddressBase58Prefix = config.poolServer.subAddressPrefix ? parseInt(confi
 
 // Get address prefix
 function getAddressPrefix (address) {
-	let addressBuffer = new Buffer(address);
+	let addressBuffer = Buffer.from(address);
 
 	let addressPrefix = cnUtil.address_decode(addressBuffer);
 	if (addressPrefix) {
@@ -62,8 +62,7 @@ exports.characterCount = characterCount;
 
 // Validate miner address
 exports.validateChildMinerAddress = (address, index) => {
-	let childAddressBase58Prefix = parseInt(cnUtil.address_decode(Buffer.from(config.childPools[index].poolAddress))
-		.toString());
+	let childAddressBase58Prefix = parseInt(cnUtil.address_decode(Buffer.from(config.childPools[index].poolAddress)).toString());
 	let childIntegratedAddressBase58Prefix = config.poolServer.intChildAddressPrefix ? parseInt(config.childPools[index].intAddressPrefix) : childAddressBase58Prefix + 1;
 
 	let addressPrefix = getAddressPrefix(address);
@@ -131,10 +130,8 @@ exports.getReadableHashRate = function (hashrate) {
  * Get readable coins
  **/
 exports.getReadableCoins = function (coins, digits, withoutSymbol) {
-	let coinDecimalPlaces = config.coinDecimalPlaces || config.coinUnits.toString()
-		.length - 1;
-	let amount = (parseInt(coins || 0) / config.coinUnits)
-		.toFixed(digits || coinDecimalPlaces);
+	let coinDecimalPlaces = config.coinDecimalPlaces || config.coinUnits.toString().length - 1;
+	let amount = (parseInt(coins || 0) / config.coinUnits).toFixed(digits || coinDecimalPlaces);
 	return amount + (withoutSymbol ? '' : (' ' + config.symbol));
 }