diff --git a/scrollIt.js b/scrollIt.js
index 2985271..ec37d76 100644
--- a/scrollIt.js
+++ b/scrollIt.js
@@ -32,7 +32,7 @@
          */
         var settings = $.extend(defaults, options),
             active = 0,
-            lastIndex = $('[data-scroll-index]:last').attr('data-scroll-index');
+            lastIndex = parseInt($('[data-scroll-index]:last').attr('data-scroll-index'));
 
         /*
          * METHODS