diff --git a/old-ui/app/account-qr.js b/old-ui/app/account-qr.js
index 7e3b7f269..9ab715c53 100644
--- a/old-ui/app/account-qr.js
+++ b/old-ui/app/account-qr.js
@@ -5,7 +5,7 @@ const {qrcode: qrCode} = require('qrcode-npm')
 const {connect} = require('react-redux')
 const {isHexPrefixed} = require('ethereumjs-util')
 const CopyButton = require('./components/copy/copy-button')
-const { toChecksumAddress } = require('./util')
+const { toChecksumAddress, ifRSK } = require('./util')
 
 class AccountQrScreen extends PureComponent {
   static defaultProps = {
@@ -20,8 +20,8 @@ class AccountQrScreen extends PureComponent {
 
   render () {
     const {Qr, warning, network} = this.props
-    const address = `${isHexPrefixed(Qr.data) ? 'ethereum:' : ''}${Qr.data}`
     const addressChecksum = toChecksumAddress(network, Qr.data)
+    const address = ifRSK ? addressChecksum : `${isHexPrefixed(Qr.data) ? 'ethereum:' : ''}${Qr.data}`
     const qrImage = qrCode(4, 'M')
 
     qrImage.addData(address)
diff --git a/old-ui/app/util.js b/old-ui/app/util.js
index 54f104654..a05fb3219 100644
--- a/old-ui/app/util.js
+++ b/old-ui/app/util.js
@@ -390,7 +390,7 @@ function ifRSK (network) {
 function toChecksumAddressRSK (address, chainId = null) {
   const zeroX = '0x'
   const stripAddress = ethUtil.stripHexPrefix(address).toLowerCase()
-  const prefix = chainId != null ? (chainId.toString() + zeroX) : ''
+  const prefix = chainId !== null ? (chainId.toString() + zeroX) : ''
   const keccakHash = ethUtil.sha3(prefix + stripAddress).toString('hex')
   let output = zeroX