diff --git a/4chan_x.user.js b/4chan_x.user.js
index 72ceb39d7..6068010db 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -2500,8 +2500,7 @@
       g.callbacks.push(imgExpand.node);
       imgExpand.dialog();
       $.bind(window, 'resize', imgExpand.resize);
-      imgExpand.style = $.addStyle("body.fitheight img[md5] + img { max-height: " + d.body.clientHeight + "px }");
-      return imgExpand.style.className = 'height';
+      return imgExpand.style = $.addStyle("body.fitheight img[md5] + img { max-height: " + d.body.clientHeight + "px }");
     },
     node: function(root) {
       var a, thumb;
diff --git a/script.coffee b/script.coffee
index 6f9312029..3d271b86c 100644
--- a/script.coffee
+++ b/script.coffee
@@ -1882,7 +1882,6 @@ imgExpand =
     imgExpand.dialog()
     $.bind window, 'resize', imgExpand.resize
     imgExpand.style = $.addStyle "body.fitheight img[md5] + img { max-height: #{d.body.clientHeight}px }"
-    imgExpand.style.className = 'height'
 
   node: (root) ->
     return unless thumb = $ 'img[md5]', root