diff --git a/4chan_x.user.js b/4chan_x.user.js
index b7ac5972b..5f8a70864 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -73,7 +73,7 @@
  */
 
 (function() {
-  var $, $$, Anonymize, AutoGif, Conf, Config, DAY, ExpandComment, ExpandThread, Favicon, FileInfo, Filter, GetTitle, HOUR, ImageExpand, ImageHover, Keybinds, MINUTE, Main, NAMESPACE, Nav, Options, QR, QuoteBacklink, QuoteCT, QuoteInline, QuoteOP, QuotePreview, Quotify, Redirect, ReplyHiding, ReportButton, RevealSpoilers, SECOND, Sauce, StrikethroughQuotes, ThreadHiding, ThreadStats, Threading, Time, TitlePost, Unread, Updater, VERSION, Watcher, d, engine, flatten, ui, _base;
+  var $, $$, Anonymize, AutoGif, Conf, Config, DAY, ExpandComment, ExpandThread, Favicon, FileInfo, Filter, GetTitle, HOUR, ImageExpand, ImageHover, Keybinds, MINUTE, Main, NAMESPACE, Nav, Options, QR, QuoteBacklink, QuoteCT, QuoteInline, QuoteOP, QuotePreview, Quotify, Redirect, ReplyHiding, ReportButton, RevealSpoilers, SECOND, Sauce, StrikethroughQuotes, ThreadHiding, ThreadStats, Threading, Time, TitlePost, Unread, Updater, VERSION, Watcher, d, flatten, ui, _base;
 
   Config = {
     main: {
@@ -220,8 +220,6 @@
 
   DAY = 24 * HOUR;
 
-  engine = /WebKit|Presto|Gecko/.exec(navigator.userAgent)[0].toLowerCase();
-
   d = document;
 
   ui = {
@@ -1741,7 +1739,7 @@
   <label id=spoilerLabel><input type=checkbox id=spoiler> Spoiler Image</label>\
   <div class=warning></div>\
 </form>');
-      if (Conf['Remember QR size'] && engine === 'gecko') {
+      if (Conf['Remember QR size'] && Main.engine === 'gecko') {
         $.on(ta = $('textarea', QR.el), 'mouseup', function() {
           return $.set('QR.size', this.style.cssText);
         });
@@ -1896,7 +1894,7 @@
       QR.status({
         progress: '...'
       });
-      if (engine === 'gecko' && reply.file) {
+      if (Main.engine === 'gecko' && reply.file) {
         file = {};
         reader = new FileReader();
         reader.onload = function() {
@@ -2017,7 +2015,7 @@
         var boundary, callbacks, form, i, name, opts, parts, toBin, url, val;
         url = data.postURL;
         delete data.postURL;
-        if (engine === 'gecko' && data.upfile) {
+        if (Main.engine === 'gecko' && data.upfile) {
           if (!data.binary) {
             toBin = function(data, name, val) {
               var bb, r;
@@ -3764,7 +3762,7 @@
         url = href + '?' + Date.now();
       }
       timeoutID = setTimeout(ImageExpand.expand, 10000, thumb, url);
-      if (!(engine === 'webkit' && url.split('/')[2] === 'images.4chan.org')) {
+      if (!(Main.engine === 'webkit' && url.split('/')[2] === 'images.4chan.org')) {
         return;
       }
       return $.ajax(url, {
@@ -3903,7 +3901,7 @@
       }
       if (!$.id('navtopr')) return;
       $.addClass(d.body, "chanx_" + (VERSION.split('.')[1]));
-      $.addClass(d.body, engine);
+      $.addClass(d.body, Main.engine);
       _ref = ['navtop', 'navbot'];
       for (_i = 0, _len = _ref.length; _i < _len; _i++) {
         nav = _ref[_i];
@@ -4050,6 +4048,7 @@
       target = e.target;
       if (target.nodeName === 'TABLE') return Main.node([Main.preParse(target)]);
     },
+    engine: /WebKit|Presto|Gecko/.exec(navigator.userAgent)[0].toLowerCase(),
     callbacks: [],
     css: '\
 /* dialog styling */\
diff --git a/script.coffee b/script.coffee
index 08ebfdaa7..8e101af6f 100644
--- a/script.coffee
+++ b/script.coffee
@@ -173,7 +173,6 @@ SECOND = 1000
 MINUTE = 60*SECOND
 HOUR   = 60*MINUTE
 DAY    = 24*HOUR
-engine = /WebKit|Presto|Gecko/.exec(navigator.userAgent)[0].toLowerCase()
 d = document
 
 ui =
@@ -1435,7 +1434,7 @@ QR =
   <div class=warning></div>
 </form>'
 
-    if Conf['Remember QR size'] and engine is 'gecko'
+    if Conf['Remember QR size'] and Main.engine is 'gecko'
       $.on ta = $('textarea', QR.el), 'mouseup', ->
         $.set 'QR.size', @style.cssText
       ta.style.cssText = $.get 'QR.size', ''
@@ -1577,7 +1576,7 @@ QR =
     # Provide some feedback that we're starting to submit.
     QR.status progress: '...'
 
-    if engine is 'gecko' and reply.file
+    if Main.engine is 'gecko' and reply.file
       # https://bugzilla.mozilla.org/show_bug.cgi?id=673742
       # We plan to allow postMessaging Files and FileLists across origins,
       # that just needs a more in depth security review.
@@ -1696,7 +1695,7 @@ QR =
       delete data.postURL
 
       # File with filename upload fix from desuwa
-      if engine is 'gecko' and data.upfile
+      if Main.engine is 'gecko' and data.upfile
         # All of this is fucking retarded.
         unless data.binary
           toBin = (data, name, val) ->
@@ -3130,7 +3129,7 @@ ImageExpand =
     timeoutID = setTimeout ImageExpand.expand, 10000, thumb, url
     # Only Chrome let userscript break through cross domain requests.
     # Don't check it 404s in the archivers.
-    return unless engine is 'webkit' and url.split('/')[2] is 'images.4chan.org'
+    return unless Main.engine is 'webkit' and url.split('/')[2] is 'images.4chan.org'
     $.ajax url, onreadystatechange: (-> clearTimeout timeoutID if @status is 404),
       type: 'head'
 
@@ -3279,7 +3278,7 @@ Main =
     unless $.id 'navtopr'
       return
     $.addClass d.body, "chanx_#{VERSION.split('.')[1]}"
-    $.addClass d.body, engine
+    $.addClass d.body, Main.engine
     for nav in ['navtop', 'navbot']
       $.addClass $("a[href$='/#{Main.BOARD}/']", $.id nav), 'current'
     form = $ 'form[name=delform]'
@@ -3389,6 +3388,7 @@ Main =
     {target} = e
     Main.node [Main.preParse target] if target.nodeName is 'TABLE'
 
+  engine: /WebKit|Presto|Gecko/.exec(navigator.userAgent)[0].toLowerCase()
   callbacks: []
   css: '
 /* dialog styling */