diff --git a/src/app/tabs/runTab/model/blockchain.js b/src/app/tabs/runTab/model/blockchain.js
index a3dd051285..ce0c5d8186 100644
--- a/src/app/tabs/runTab/model/blockchain.js
+++ b/src/app/tabs/runTab/model/blockchain.js
@@ -2,6 +2,7 @@ const remixLib = require('remix-lib')
 const txFormat = remixLib.execution.txFormat
 const txExecution = remixLib.execution.txExecution
 const typeConversion = remixLib.execution.typeConversion
+const Txlistener = remixLib.execution.txListener
 const EventManager = remixLib.EventManager
 const ethJSUtil = require('ethereumjs-util')
 const Personal = require('web3-eth-personal')
@@ -247,6 +248,12 @@ class Blockchain {
   web3 () {
     return this.executionContext.web3()
   }
+
+  getTxListener(opts) {
+    const txlistener = new Txlistener(opts, this.executionContext)
+    return txlistener
+  }
+
 }
 
 module.exports = Blockchain
diff --git a/src/app/udapp/make-udapp.js b/src/app/udapp/make-udapp.js
index 45d0713ec1..5b1ce24167 100644
--- a/src/app/udapp/make-udapp.js
+++ b/src/app/udapp/make-udapp.js
@@ -1,7 +1,6 @@
 var registry = require('../../global/registry')
 var remixLib = require('remix-lib')
 var yo = require('yo-yo')
-var Txlistener = remixLib.execution.txListener
 var EventsDecoder = remixLib.execution.EventsDecoder
 var TransactionReceiptResolver = require('../../lib/transactionReceiptResolver')
 
@@ -16,7 +15,7 @@ export function makeUdapp (blockchain, udapp, executionContext, compilersArtefac
   // ----------------- Tx listener -----------------
   const transactionReceiptResolver = new TransactionReceiptResolver(blockchain)
 
-  const txlistener = new Txlistener({
+  const txlistener = blockchain.getTxListener({
     api: {
       contracts: function () {
         if (compilersArtefacts['__last']) return compilersArtefacts['__last'].getContracts()
@@ -28,7 +27,9 @@ export function makeUdapp (blockchain, udapp, executionContext, compilersArtefac
     },
     event: {
       udapp: udapp.event
-    }}, executionContext)
+    }
+  })
+
   registry.put({api: txlistener, name: 'txlistener'})
   udapp.startListening(txlistener)