diff --git a/lib/common/components/Zippy/zippy.js b/lib/common/components/Zippy/zippy.js
index 90ab8501..9828d0c6 100644
--- a/lib/common/components/Zippy/zippy.js
+++ b/lib/common/components/Zippy/zippy.js
@@ -13,17 +13,19 @@ import {CORE_DIRECTIVES} from 'angular2/common';
   styleUrls: ['./lib/common/components/Zippy/zippy.css'],
   directives: [CORE_DIRECTIVES]
 })
-export class Zippy {
+export default class Zippy {
 
   constructor() {
     this.type = 'general';
     this.visible = false;
+    this.empty = false;
     this.open = new EventEmitter();
     this.close = new EventEmitter();
   }
 
   toggle() {
     this.visible = !this.visible;
+    if (this.empty) return;
     (this.visible) ? this.open.next() : this.close.next();
   }
 }
diff --git a/lib/components/ResponsesList/responses-list.js b/lib/components/ResponsesList/responses-list.js
index 2dc647e0..84d1e632 100644
--- a/lib/components/ResponsesList/responses-list.js
+++ b/lib/components/ResponsesList/responses-list.js
@@ -3,7 +3,7 @@
 import {RedocComponent, BaseComponent} from '../base';
 import JsonPointer from '../../utils/JsonPointer';
 import JsonSchema from '../JsonSchema/json-schema';
-import {Zippy} from '../../common/components/Zippy/zippy';
+import Zippy from '../../common/components/Zippy/zippy';
 import {statusCodeType} from '../../utils/helpers';
 
 function isNumeric(n) {