diff --git a/demos/directive/slideBox/appIntro/index.html b/demos/directive/slideBox/appIntro/index.html
index efb2eb6051..4ba83ad25f 100644
--- a/demos/directive/slideBox/appIntro/index.html
+++ b/demos/directive/slideBox/appIntro/index.html
@@ -33,7 +33,7 @@ component: ionSlideBox
       </button>
     </ion-nav-buttons>
 
-    <ion-slide-box on-slide-changed="slideChanged(index)">
+    <ion-slide-box on-slide-changed="slideChanged($index)">
       <ion-slide>
         <h3>Thank you for choosing the Awesome App!</h3>
         <div id="logo">