diff --git a/src/app/tabs/run-tab.js b/src/app/tabs/run-tab.js
index d4866b1063..7b18169e0c 100644
--- a/src/app/tabs/run-tab.js
+++ b/src/app/tabs/run-tab.js
@@ -1,7 +1,6 @@
 'use strict'
 var $ = require('jquery')
 var yo = require('yo-yo')
-var detectNetwork = require('../../lib/detect-network')
 var helper = require('../../lib/helper.js')
 var txExecution = require('../execution/txExecution')
 var txFormat = require('../execution/txFormat')
@@ -383,12 +382,9 @@ function settings (appAPI, appEvents) {
   // SETTINGS HTML
   var net = yo`<span class=${css.network}></span>`
   const updateNetwork = () => {
-    detectNetwork((err, { id, name } = {}) => {
+    executionContext.detectNetwork((err, { id, name } = {}) => {
       if (err) console.error(err)
-      console.log(`update network[${id}] name: ${name}`)
-      net.innerHTML = `
-        <i class="${css.networkItem} fa fa-plug" aria-hidden="true"></i> ${name}(${id || '-'})
-      `
+      net.innerHTML = `<i class="${css.networkItem} fa fa-plug" aria-hidden="true"></i> ${name}(${id || '-'})`
     })
   }
   updateNetwork()
diff --git a/src/execution-context.js b/src/execution-context.js
index c9dcaafa90..811a8e2505 100644
--- a/src/execution-context.js
+++ b/src/execution-context.js
@@ -91,7 +91,21 @@ function ExecutionContext () {
   }
 
   this.web3 = function () {
-    return this.isVM() ? web3VM : web3
+    return this.isVM() ? web3VM.web3 : web3
+  }
+
+  this.detectNetwork = function (callback) {
+    this.web3().version.getNetwork((err, id) => {
+      var name = null
+      if (err) name = 'Unknown'
+      else if (id === '1') name = 'Main'
+      else if (id === '2') name = 'Morden (deprecated)'
+      else if (id === '3') name = 'Ropsten'
+      else if (id === '4') name = 'Rinkeby'
+      else if (id === '42') name = 'Kovan'
+      else name = 'Unknown'
+      callback(err, { id, name })
+    })
   }
 
   this.internalWeb3 = function () {
diff --git a/src/lib/detect-network.js b/src/lib/detect-network.js
deleted file mode 100644
index e9063dde7b..0000000000
--- a/src/lib/detect-network.js
+++ /dev/null
@@ -1,19 +0,0 @@
-var executionContext = require('../execution-context')
-window.executionContext = executionContext
-module.exports = detectNetwork
-
-function detectNetwork (callback) {
-  var web3provider = executionContext.web3()
-  var get = web3provider.version ? web3provider.version.getNetwork : web3provider.web3.version.getNetwork
-  get((err, id) => {
-    var name = null
-    if (err) name = 'Unknown'
-    else if (id === '1') name = 'Main'
-    else if (id === '2') name = 'Morden (deprecated)'
-    else if (id === '3') name = 'Ropsten'
-    else if (id === '4') name = 'Rinkeby'
-    else if (id === '42') name = 'Kovan'
-    else name = 'Unknown'
-    callback(err, { id, name })
-  })
-}