diff --git a/web3.js/src/connection.js b/web3.js/src/connection.js
index e8daf9c9e6..40d868c114 100644
--- a/web3.js/src/connection.js
+++ b/web3.js/src/connection.js
@@ -1716,7 +1716,7 @@ export class Connection {
 
       let data = resultData;
       if (!data.program) {
-        data = new Buffer(data, 'base64');
+        data = Buffer.from(data, 'base64');
       }
 
       value = {
@@ -1826,7 +1826,7 @@ export class Connection {
 
       let data = resultData;
       if (!data.program) {
-        data = new Buffer(data, 'base64');
+        data = Buffer.from(data, 'base64');
       }
 
       return {