diff --git a/app/components/execute/ClientConfiguration.jsx b/app/components/execute/ClientConfiguration.jsx
index a64495c..867593c 100644
--- a/app/components/execute/ClientConfiguration.jsx
+++ b/app/components/execute/ClientConfiguration.jsx
@@ -39,7 +39,8 @@ const ClientConfiguration = React.createClass({
         this.props.onConfigChange(config);
     },
 
-    onBatchChange(event, index, value) {
+    onBatchChange(event, valid) {
+        var value = event.target.value;
         var client = this.props.currentClient;
         var config = this.getConfig(client);
         if (valid || !value) {
diff --git a/app/containers/Root.jsx b/app/containers/Root.jsx
index b14a38f..59e1f8c 100644
--- a/app/containers/Root.jsx
+++ b/app/containers/Root.jsx
@@ -39,7 +39,7 @@ const Root = React.createClass({
                 <Provider store={store}>
                     <div>
                         <ReduxRouter routes={routes}/>
-                        {this.renderDevTools}
+                        {this.renderDevTools()}
                     </div>
                 </Provider>
             </div>