diff --git a/src/components/parameters-editor.js b/src/components/parameters-editor.js
index 1ce9dea..f11b327 100644
--- a/src/components/parameters-editor.js
+++ b/src/components/parameters-editor.js
@@ -21,7 +21,6 @@
 
 import React from 'react';
 import PropTypes from 'prop-types';
-import { ControlLabel, Col } from 'react-bootstrap';
 import JsonView from 'react-json-view';
 
 class ParametersEditor extends React.Component {
diff --git a/src/containers/simulation.js b/src/containers/simulation.js
index 77d6d1d..4124572 100644
--- a/src/containers/simulation.js
+++ b/src/containers/simulation.js
@@ -221,6 +221,10 @@ class Simulation extends React.Component {
         continue;
       }
 
+      if (action.data.action === 'start') {
+        action.data.parameters = this.state.simulationModels[index].startParameters; 
+      }
+
       AppDispatcher.dispatch({
         type: 'simulators/start-action',
         simulator,