diff --git a/public/javascripts/widgets/back-to-top.js b/public/javascripts/widgets/back-to-top.js
index 429166926..403a70efd 100644
--- a/public/javascripts/widgets/back-to-top.js
+++ b/public/javascripts/widgets/back-to-top.js
@@ -5,7 +5,7 @@
     this.subscribe("widget/ready", function(evt, button) {
       $.extend(self, {
         button: button,
-        body: $(document.body),
+        body: $("html, body"),
         window: $(window)
       });
 
@@ -29,4 +29,4 @@
   };
 
   Diaspora.Widgets.BackToTop = BackToTop;
-})();
\ No newline at end of file
+})();