Router in a good shape

web/components/ListingDetails.js

@@ -9,6 +9,14 @@ export default class ListingDetails extends React.Component {
   }
 
   onBackClick() {
+    this.props.dispatch({type: 'UPDATE_ROUTE', action: {
+      toDispatch: {
+        type: 'BACK_TO_RESULTS'
+      },
+      params: {
+        listingId: null
+      }
+    }});
     this.props.dispatch({type: 'BACK_TO_RESULTS'});
   }