diff --git a/misc/collapse.js b/misc/collapse.js
index ffacce9cbe3..829218e4f44 100644
--- a/misc/collapse.js
+++ b/misc/collapse.js
@@ -40,8 +40,8 @@ Drupal.toggleFieldset = function (fieldset) {
  * Scroll a given fieldset into view as much as possible.
  */
 Drupal.collapseScrollIntoView = function (node) {
-  var h = self.innerHeight || document.documentElement.clientHeight || $('body')[0].clientHeight || 0;
-  var offset = self.pageYOffset || document.documentElement.scrollTop || $('body')[0].scrollTop || 0;
+  var h = document.documentElement.clientHeight || document.body.clientHeight || 0;
+  var offset = document.documentElement.scrollTop || document.body.scrollTop || 0;
   var posY = $(node).offset().top;
   var fudge = 55;
   if (posY + node.offsetHeight + fudge > h + offset) {