diff --git a/assets/js/universal-dapp.js b/assets/js/universal-dapp.js
index 7755a12015..e8fdcab6f4 100644
--- a/assets/js/universal-dapp.js
+++ b/assets/js/universal-dapp.js
@@ -382,6 +382,7 @@ UniversalDApp.prototype.clickContractAt = function ( self, $output, contract ) {
 }
 
 UniversalDApp.prototype.runTx = function( data, args, cb) {
+    var self = this;
     var to = args.address;
     var constant = args.abi.constant;
     var isConstructor = args.bytecode !== undefined;
diff --git a/index.html b/index.html
index 4df3486e83..e4596afd1c 100644
--- a/index.html
+++ b/index.html
@@ -700,7 +700,7 @@
 				var dapp = new UniversalDApp(udappContracts, {
 					vm: executionContext === 'vm',
 					removable: false,
-					getAddress: function(){ return $('txorigin').val(); },
+					getAddress: function(){ return $('#txorigin').val(); },
 					removable_instances: true,
 					renderOutputModifier: function(contractName, $contractOutput) {
 						var contract = data.contracts[contractName];