diff --git a/4chan_x.js b/4chan_x.js
index a872b27c0..cf72f8857 100644
--- a/4chan_x.js
+++ b/4chan_x.js
@@ -109,13 +109,6 @@
           return value;
       }
     };
-    window.GM_addStyle = function(css) {
-      var style;
-      style = document.createElement('style');
-      style.type = 'text/css';
-      style.textContent = css;
-      return document.getElementsByTagName('head')[0].appendChild(style);
-    };
     window.GM_openInTab = function(url) {
       return window.open(url, "_blank");
     };
@@ -232,6 +225,13 @@
     return object;
   };
   $.extend($, {
+    addStyle: function(css) {
+      var style;
+      style = document.createElement('style');
+      style.type = 'text/css';
+      style.textContent = css;
+      return $.append(d.head, style);
+    },
     config: function(name) {
       return GM_getValue(name, config[name][0]);
     },
@@ -1575,7 +1575,7 @@
     GM_setValue("hiddenReplies/" + g.BOARD + "/", JSON.stringify(g.hiddenReplies));
     GM_setValue('lastChecked', now.toString());
   }
-  GM_addStyle('\
+  $.addStyle('\
   /* dialog styling */\
   div.dialog {\
     border: 1px solid;\
diff --git a/script.coffee b/script.coffee
index 353c2e2a4..8c906fcc8 100644
--- a/script.coffee
+++ b/script.coffee
@@ -43,11 +43,6 @@ if typeof GM_deleteValue is 'undefined'
         Number value
       else
         value
-  window.GM_addStyle = (css) ->
-    style = document.createElement 'style'
-    style.type = 'text/css'
-    style.textContent = css
-    document.getElementsByTagName('head')[0].appendChild style
   window.GM_openInTab = (url) ->
     window.open url, "_blank"
 
@@ -132,6 +127,11 @@ $.extend = (object, properties) ->
   object
 
 $.extend $,
+  addStyle: (css) ->
+    style = document.createElement 'style'
+    style.type = 'text/css'
+    style.textContent = css
+    $.append d.head, style
   config: (name) ->
     GM_getValue name, config[name][0]
   zeroPad: (n) ->
@@ -1211,7 +1211,7 @@ if lastChecked < now - 1*DAY
   GM_setValue("hiddenReplies/#{g.BOARD}/", JSON.stringify(g.hiddenReplies))
   GM_setValue('lastChecked', now.toString())
 
-GM_addStyle '
+$.addStyle '
   /* dialog styling */
   div.dialog {
     border: 1px solid;