diff --git a/jquery.sticky.js b/jquery.sticky.js
index b3805c8..259209f 100644
--- a/jquery.sticky.js
+++ b/jquery.sticky.js
@@ -48,7 +48,7 @@
 
       for (var i = 0, l = sticked.length; i < l; i++) {
         var s = sticked[i],
-          elementTop = s.stickyWrapper.offset().top,
+          elementTop = parseInt(s.stickyWrapper.offset().top, 10),
           etse = elementTop - s.topSpacing - extra;
 
         //update height in case of dynamic content