diff --git a/lib/scripts/media.js b/lib/scripts/media.js
index f76fd4065141fd32478bef61bc7600e8422167ac..23a1fe5d8fcb3f019f4cc11ea7706f5c785341a2 100644
--- a/lib/scripts/media.js
+++ b/lib/scripts/media.js
@@ -549,7 +549,7 @@ var dw_mediamanager = {
 
     resize: function () {
         var $contents = jQuery('#mediamanager__page div.panelContent'),
-            height = jQuery(window).height() - jQuery(document).height() +
+            height = jQuery(window).height() - jQuery(document.body).height() +
                       Math.max.apply(null, jQuery.map($contents, function (v) {
             return jQuery(v).height();
         }));