diff --git a/4chan_x.user.js b/4chan_x.user.js
index 5c4dc6ab7..bf7128694 100644
--- a/4chan_x.user.js
+++ b/4chan_x.user.js
@@ -2407,27 +2407,47 @@
         _ref1 = $$('input', dialog);
         for (_i = 0, _len = _ref1.length; _i < _len; _i++) {
           input = _ref1[_i];
-          switch (input.type) {
-            case 'checkbox':
-              $.on(input, 'click', this.cb.checkbox.bind(this));
-              input.dispatchEvent(new Event('click'));
-              $.on(input, 'click', $.cb.checked);
+          if (input.type === 'checkbox') {
+            $.on(input, 'click', this.cb.checkbox.bind(this));
+            input.dispatchEvent(new Event('click'));
+          }
+          switch (input.name) {
+            case 'Scroll BG':
+              $.on(input, 'click', this.cb.scrollBG.bind(this));
+              this.cb.scrollBG.call(this);
               break;
-            case 'number':
+            case 'Auto Update This':
+              $.on(input, 'click', this.cb.autoUpdate.bind(this));
+              break;
+            case 'Interval':
               $.on(input, 'change', this.cb.interval.bind(this));
               input.dispatchEvent(new Event('change'));
               break;
-            case 'button':
+            case 'Update Now':
               $.on(input, 'click', this.update.bind(this));
           }
         }
+        $.on(window, 'online offline', this.cb.online.bind(this));
         $.on(d, 'QRPostSuccessful', this.cb.post.bind(this));
         $.on(d, 'visibilitychange ovisibilitychange mozvisibilitychange webkitvisibilitychange', this.cb.visibility.bind(this));
-        this.set('timer', this.getInterval());
+        this.cb.online.call(this);
         $.add(d.body, dialog);
       }
 
       _Class.prototype.cb = {
+        online: function() {
+          if (this.online = navigator.onLine) {
+            this.unsuccessfulFetchCount = 0;
+            this.set('timer', this.getInterval());
+            this.set('status', null);
+            this.status.className = null;
+          } else {
+            this.status.className = 'warning';
+            this.set('status', 'Offline');
+            this.set('timer', null);
+          }
+          return this.cb.autoUpdate.call(this);
+        },
         post: function(e) {
           if (!(this['Auto Update This'] && +e.detail.threadID === this.thread.ID)) {
             return;
@@ -2453,19 +2473,20 @@
           input = e.target;
           checked = input.checked, name = input.name;
           this[name] = checked;
-          switch (name) {
-            case 'Scroll BG':
-              return this.scrollBG = checked ? function() {
-                return true;
-              } : function() {
-                return !(d.hidden || d.oHidden || d.mozHidden || d.webkitHidden);
-              };
-            case 'Auto Update This':
-              if (checked) {
-                return this.timeoutID = setTimeout(this.timeout.bind(this), 1000);
-              } else {
-                return clearTimeout(this.timeoutID);
-              }
+          return $.cb.checked.call(input);
+        },
+        scrollBG: function() {
+          return this.scrollBG = this['Scroll BG'] ? function() {
+            return true;
+          } : function() {
+            return !(d.hidden || d.oHidden || d.mozHidden || d.webkitHidden);
+          };
+        },
+        autoUpdate: function() {
+          if (this['Auto Update This'] && this.online) {
+            return this.timeoutID = setTimeout(this.timeout.bind(this), 1000);
+          } else {
+            return clearTimeout(this.timeoutID);
           }
         },
         interval: function(e) {
@@ -2548,6 +2569,9 @@
 
       _Class.prototype.update = function() {
         var url;
+        if (!this.online) {
+          return;
+        }
         this.seconds = 0;
         this.set('timer', '...');
         if (this.req) {
diff --git a/changelog b/changelog
index aa0ea22b7..8e9f27e6d 100644
--- a/changelog
+++ b/changelog
@@ -1,5 +1,6 @@
 alpha
 - Mayhem
+  The Thread Updater will pause when offline, and resume when online.
   Fix Chrome's install warning that 4chan X would execute on all domains.
   Fix Quote Backlinks not affecting inlined quotes.
   Fix Quote Highlighting not affecting inlined quotes.
diff --git a/script.coffee b/script.coffee
index f128963b2..92024a12f 100644
--- a/script.coffee
+++ b/script.coffee
@@ -2148,24 +2148,40 @@ ThreadUpdater =
       @lastPost = +@threadRoot.lastElementChild.id[2..]
 
       for input in $$ 'input', dialog
-        switch input.type
-          when 'checkbox'
-            $.on input, 'click', @cb.checkbox.bind @
-            input.dispatchEvent new Event 'click'
-            $.on input, 'click', $.cb.checked
-          when 'number'
+        if input.type is 'checkbox'
+          $.on input, 'click', @cb.checkbox.bind @
+          input.dispatchEvent new Event 'click'
+        switch input.name
+          when 'Scroll BG'
+            $.on input, 'click', @cb.scrollBG.bind @
+            @cb.scrollBG.call @
+          when 'Auto Update This'
+            $.on input, 'click', @cb.autoUpdate.bind @
+          when 'Interval'
             $.on input, 'change', @cb.interval.bind @
             input.dispatchEvent new Event 'change'
-          when 'button'
+          when 'Update Now'
             $.on input, 'click', @update.bind @
 
+      $.on window, 'online offline', @cb.online.bind @
       $.on d, 'QRPostSuccessful', @cb.post.bind @
       $.on d, 'visibilitychange ovisibilitychange mozvisibilitychange webkitvisibilitychange', @cb.visibility.bind @
 
-      @set 'timer', @getInterval()
+      @cb.online.call @
       $.add d.body, dialog
 
     cb:
+      online: ->
+        if @online = navigator.onLine
+          @unsuccessfulFetchCount = 0
+          @set 'timer', @getInterval()
+          @set 'status', null
+          @status.className = null
+        else
+          @status.className = 'warning'
+          @set 'status', 'Offline'
+          @set 'timer',  null
+        @cb.autoUpdate.call @
       post: (e) ->
         return unless @['Auto Update This'] and +e.detail.threadID is @thread.ID
         @unsuccessfulFetchCount = 0
@@ -2181,18 +2197,18 @@ ThreadUpdater =
         input = e.target
         {checked, name} = input
         @[name] = checked
-        switch name
-          when 'Scroll BG'
-            @scrollBG =
-              if checked
-                -> true
-              else
-                -> !(d.hidden or d.oHidden or d.mozHidden or d.webkitHidden)
-          when 'Auto Update This'
-            if checked
-              @timeoutID = setTimeout @timeout.bind(@), 1000
-            else
-              clearTimeout @timeoutID
+        $.cb.checked.call input
+      scrollBG: ->
+        @scrollBG =
+          if @['Scroll BG']
+            -> true
+          else
+            -> !(d.hidden or d.oHidden or d.mozHidden or d.webkitHidden)
+      autoUpdate: ->
+        if @['Auto Update This'] and @online
+          @timeoutID = setTimeout @timeout.bind(@), 1000
+        else
+          clearTimeout @timeoutID
       interval: (e) ->
         input = e.target
         val = Math.max 5, parseInt input.value, 10
@@ -2263,6 +2279,7 @@ ThreadUpdater =
         @set 'timer', n
 
     update: ->
+      return unless @online
       @seconds = 0
       @set 'timer', '...'
       if @req