diff --git a/4chan_x.user.js b/4chan_x.user.js
index a0b6d1bd1..23ef34fec 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -919,10 +919,12 @@
     };
 
     Post.prototype.rmClone = function(index) {
-      var i, _i, _ref;
+      var clone, _i, _len, _ref;
       this.clones.splice(index, 1);
-      for (i = _i = index, _ref = this.clones.length; index <= _ref ? _i < _ref : _i > _ref; i = index <= _ref ? ++_i : --_i) {
-        this.clones[i].nodes.root.setAttribute('data-clone', i);
+      _ref = this.clones.slice(index);
+      for (_i = 0, _len = _ref.length; _i < _len; _i++) {
+        clone = _ref[_i];
+        clone.nodes.root.setAttribute('data-clone', index++);
       }
     };
 
diff --git a/script.coffee b/script.coffee
index d76499a1b..dbfc0df97 100644
--- a/script.coffee
+++ b/script.coffee
@@ -718,8 +718,8 @@ class Post
     new Clone @, context
   rmClone: (index) ->
     @clones.splice index, 1
-    for i in [index...@clones.length]
-      @clones[i].nodes.root.setAttribute 'data-clone', i
+    for clone in @clones[index..]
+      clone.nodes.root.setAttribute 'data-clone', index++
     return
 
 class Clone extends Post