diff --git a/4chan_x.user.js b/4chan_x.user.js
index 736fc6444..f72f4ff44 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -613,7 +613,7 @@
       if (post.isInlined) {
         return;
       }
-      isOP = post.id === post.threadId;
+      isOP = post.ID === post.threadID;
       root = post.root;
       for (key in Filter.filters) {
         value = Filter[key](post);
@@ -787,7 +787,7 @@
       }
       post = {
         blockquote: node,
-        threadId: threadID,
+        threadID: threadID,
         quotes: quotes,
         backlinks: []
       };
@@ -1007,7 +1007,7 @@
       $.addClass(side, 'hide_reply_button');
       side.innerHTML = '<a href="javascript:;"><span>[ - ]</span></a>';
       $.on(side.firstChild, 'click', ReplyHiding.toggle);
-      if (post.id in g.hiddenReplies) {
+      if (post.ID in g.hiddenReplies) {
         return ReplyHiding.hide(post.root);
       }
     },
@@ -3361,9 +3361,9 @@
         }
       }
       a = $.el('a', {
-        href: "#p" + post.id,
+        href: "#p" + post.ID,
         className: post.el.hidden ? 'filtered backlink' : 'backlink',
-        textContent: QuoteBacklink.funk(post.id)
+        textContent: QuoteBacklink.funk(post.ID)
       });
       for (qid in quotes) {
         if (!(el = $.id("pi" + qid)) || !Conf['OP Backlinks'] && /\bop\b/.test(el.parentNode.className)) {
@@ -3376,7 +3376,7 @@
         if (Conf['Quote Inline']) {
           $.on(link, 'click', QuoteInline.toggle);
         } else {
-          link.setAttribute('onclick', "replyhl('" + post.id + "');");
+          link.setAttribute('onclick', "replyhl('" + post.ID + "');");
         }
         if (!(container = $.id("blc" + qid))) {
           container = $.el('span', {
@@ -3610,7 +3610,7 @@
       _ref = post.quotes;
       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
         quote = _ref[_i];
-        if (quote.hash.slice(2) === post.threadId) {
+        if (quote.hash.slice(2) === post.threadID) {
           $.add(quote, $.tn('\u00A0(OP)'));
         }
       }
@@ -3633,7 +3633,7 @@
           continue;
         }
         path = quote.pathname.split('/');
-        if (path[1] === g.BOARD && path[3] !== post.threadId) {
+        if (path[1] === g.BOARD && path[3] !== post.threadID) {
           $.add(quote, $.tn('\u00A0(Cross-thread)'));
         }
       }
@@ -3834,7 +3834,7 @@
     foresee: [],
     node: function(post) {
       var count, el, index;
-      if ((index = Unread.foresee.indexOf(post.id)) !== -1) {
+      if ((index = Unread.foresee.indexOf(post.ID)) !== -1) {
         Unread.foresee.splice(index, 1);
         return;
       }
@@ -4580,8 +4580,8 @@
         root: node,
         el: el,
         "class": el.className,
-        id: el.id.match(/\d+$/)[0],
-        threadId: g.THREAD_ID || $.x('ancestor::div[parent::div[@class="board"]]', node).id.match(/\d+$/)[0],
+        ID: el.id.match(/\d+$/)[0],
+        threadID: g.THREAD_ID || $.x('ancestor::div[parent::div[@class="board"]]', node).id.match(/\d+$/)[0],
         isArchived: /\barchivedPost\b/.test(parentClass),
         isInlined: /\binline\b/.test(parentClass),
         isCrosspost: /\bcrosspost\b/.test(parentClass),
diff --git a/script.coffee b/script.coffee
index 31a202c1f..363bfa32a 100644
--- a/script.coffee
+++ b/script.coffee
@@ -490,7 +490,7 @@ Filter =
 
   node: (post) ->
     return if post.isInlined
-    isOP = post.id is post.threadId
+    isOP = post.ID is post.threadID
     {root} = post
     for key of Filter.filters
       value = Filter[key] post
@@ -613,7 +613,7 @@ ExpandComment =
       quote.href = "res/#{href}" # Fix pathnames
     post =
       blockquote: node
-      threadId:   threadID
+      threadID:   threadID
       quotes:     quotes
       backlinks:  []
     if Conf['Resurrect Quotes']
@@ -769,7 +769,7 @@ ReplyHiding =
     side.innerHTML = '<a href="javascript:;"><span>[ - ]</span></a>'
     $.on side.firstChild, 'click', ReplyHiding.toggle
 
-    if post.id of g.hiddenReplies
+    if post.ID of g.hiddenReplies
       ReplyHiding.hide post.root
 
   toggle: ->
@@ -2623,9 +2623,9 @@ QuoteBacklink =
         # Duplicate quotes get overwritten.
         quotes[qid] = true
     a = $.el 'a',
-      href: "#p#{post.id}"
+      href: "#p#{post.ID}"
       className: if post.el.hidden then 'filtered backlink' else 'backlink'
-      textContent: QuoteBacklink.funk post.id
+      textContent: QuoteBacklink.funk post.ID
     for qid of quotes
       # Don't backlink the OP.
       continue if !(el = $.id "pi#{qid}") or !Conf['OP Backlinks'] and /\bop\b/.test el.parentNode.className
@@ -2635,7 +2635,7 @@ QuoteBacklink =
       if Conf['Quote Inline']
         $.on link, 'click', QuoteInline.toggle
       else
-        link.setAttribute 'onclick', "replyhl('#{post.id}');"
+        link.setAttribute 'onclick', "replyhl('#{post.ID}');"
       unless container = $.id "blc#{qid}"
         container = $.el 'span',
           className: 'container'
@@ -2801,7 +2801,7 @@ QuoteOP =
   node: (post) ->
     return if post.isInlined and not post.isCrosspost
     for quote in post.quotes
-      if quote.hash[2..] is post.threadId
+      if quote.hash[2..] is post.threadID
         # \u00A0 is nbsp
         $.add quote, $.tn '\u00A0(OP)'
     return
@@ -2817,7 +2817,7 @@ QuoteCT =
         continue
       path = quote.pathname.split '/'
       # If quote leads to a different thread id and is located on the same board.
-      if path[1] is g.BOARD and path[3] isnt post.threadId
+      if path[1] is g.BOARD and path[3] isnt post.threadID
         # \u00A0 is nbsp
         $.add quote, $.tn '\u00A0(Cross-thread)'
     return
@@ -2986,7 +2986,7 @@ Unread =
   foresee: []
 
   node: (post) ->
-    if (index = Unread.foresee.indexOf post.id) isnt -1
+    if (index = Unread.foresee.indexOf post.ID) isnt -1
       Unread.foresee.splice index, 1
       return
     {el} = post
@@ -3553,8 +3553,8 @@ Main =
       root:        node
       el:          el
       class:       el.className
-      id:          el.id.match(/\d+$/)[0]
-      threadId:    g.THREAD_ID or $.x('ancestor::div[parent::div[@class="board"]]', node).id.match(/\d+$/)[0]
+      ID:          el.id.match(/\d+$/)[0]
+      threadID:    g.THREAD_ID or $.x('ancestor::div[parent::div[@class="board"]]', node).id.match(/\d+$/)[0]
       isArchived:  /\barchivedPost\b/.test parentClass
       isInlined:   /\binline\b/.test       parentClass
       isCrosspost: /\bcrosspost\b/.test    parentClass