diff --git a/CHANGELOG.md b/CHANGELOG.md
index 43cf1cc..6b9c1c6 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,4 +1,6 @@
 # Changelog
+## 1.2.1 (2022-03-01)
+- Fixed ES module definition
 
 ## 1.2.0 (2022-03-01)
 - Complete rewrite to Typescript
diff --git a/README.md b/README.md
index 1d6a534..63190c2 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ This library uses ESModules, Node.js v14 or higher is required.
 import {ElectrumClient} from "@samouraiwallet/electrum-client";
 
 const run = async () => {
-    tcpClient = new ElectrumClient(60001, 'btc.electroncash.dk', 'tcp');
+    const tcpClient = new ElectrumClient(60001, 'btc.electroncash.dk', 'tcp');
 
     await tcpClient.initElectrum({client: 'electrum-client-js', version: ['1.2', '1.4']}, {
         retryPeriod: 5000,
diff --git a/package-lock.json b/package-lock.json
index 1ebc46b..7e74612 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "@samouraiwallet/electrum-client",
-	"version": "1.2.0",
+	"version": "1.2.1",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "@samouraiwallet/electrum-client",
-			"version": "1.2.0",
+			"version": "1.2.1",
 			"license": "LGPL-3.0",
 			"devDependencies": {
 				"@types/mocha": "^9.1.0",
diff --git a/package.json b/package.json
index 070ce1c..71b5d2a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "@samouraiwallet/electrum-client",
-	"version": "1.2.0",
+	"version": "1.2.1",
 	"engines": {
 		"node": ">=14.0.0"
 	},
@@ -11,9 +11,7 @@
 		"electrumx"
 	],
 	"type": "module",
-	"exports": {
-		".": "./dist/index.js"
-	},
+	"module": "./dist/index.js",
 	"types": "./dist/index.d.ts",
 	"scripts": {
 		"test": "mocha",