From fd078f900c19fbcc0e0ab6c366eab3010a9dd2aa Mon Sep 17 00:00:00 2001
From: yann300 <yann.levreau@gmail.com>
Date: Tue, 12 Sep 2017 15:50:21 +0200
Subject: [PATCH] set transactionContextAPI only if not null

---
 src/universal-dapp.js | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/universal-dapp.js b/src/universal-dapp.js
index 3ea912936a..157e9d73aa 100644
--- a/src/universal-dapp.js
+++ b/src/universal-dapp.js
@@ -121,7 +121,9 @@ function UniversalDApp (opts = {}) {
 UniversalDApp.prototype.reset = function (contracts, transactionContextAPI) {
   this.el.innerHTML = ''
   this.contracts = contracts
+  if (transactionContextAPI) {
   this.transactionContextAPI = transactionContextAPI
+  }
   this.accounts = {}
   if (executionContext.isVM()) {
     this._addAccount('3cd7232cd6f3fc66a57a6bedc1a8ed6c228fff0a327e169c2bcc5e869ed49511', '0x56BC75E2D63100000')