diff --git a/dist/preview/utils/kind.js b/dist/preview/utils/kind.js
index 288efaf..8abaeaa 100644
--- a/dist/preview/utils/kind.js
+++ b/dist/preview/utils/kind.js
@@ -22,6 +22,7 @@ var Kind = function () {
     key: "addDecorator",
     value: function addDecorator(decorator) {
       this._decorators.push(decorator);
+      return this;
     }
   }, {
     key: "add",
diff --git a/src/preview/utils/kind.js b/src/preview/utils/kind.js
index d073512..d721821 100644
--- a/src/preview/utils/kind.js
+++ b/src/preview/utils/kind.js
@@ -8,6 +8,7 @@ export default class Kind {
 
   addDecorator(decorator) {
     this._decorators.push(decorator);
+    return this;
   }
 
   add(story, fn) {