diff --git a/customize.dist/ckeditor-config.js b/customize.dist/ckeditor-config.js
index d8936c2c4..720b289bc 100644
--- a/customize.dist/ckeditor-config.js
+++ b/customize.dist/ckeditor-config.js
@@ -28,7 +28,6 @@ CKEDITOR.editorConfig = function( config ) {
 
     config.font_defaultLabel = 'Arial';
     config.fontSize_defaultLabel = '16';
-    config.contentsCss = '/customize/ckeditor-contents.css?' + CKEDITOR.CRYPTPAD_URLARGS;
 
     config.keystrokes = [
         [ CKEDITOR.ALT + 121 /*F10*/, 'toolbarFocus' ],
diff --git a/www/pad/ckeditor-inner.html b/www/pad/ckeditor-inner.html
index 511bd5f40..90447d78d 100644
--- a/www/pad/ckeditor-inner.html
+++ b/www/pad/ckeditor-inner.html
@@ -1,3 +1,3 @@
 <!DOCTYPE html>
 <html dir="ltr" lang="en"><head><title>Rich Text Editor, editor1</title><style data-cke-temp="1">html{cursor:text;*cursor:auto}
-img,input,textarea{cursor:default}</style><link type="text/css" rel="stylesheet" href="/customize/ckeditor-contents.css"><link type="text/css" rel="stylesheet" href="/bower_components/ckeditor/plugins/tableselection/styles/tableselection.css"></head><body><p><br></p></body></html>
+img,input,textarea{cursor:default}</style><link type="text/css" rel="stylesheet" href="/bower_components/ckeditor/plugins/tableselection/styles/tableselection.css"></head><body><p><br></p></body></html>
diff --git a/www/pad/inner.js b/www/pad/inner.js
index a22d8b516..18cccfc6b 100644
--- a/www/pad/inner.js
+++ b/www/pad/inner.js
@@ -452,6 +452,9 @@ define([
         var $iframe = $('html').find('iframe').contents();
         var ifrWindow = $html.find('iframe')[0].contentWindow;
 
+        var customCss = '/customize/ckeditor-contents.css?' + CKEDITOR.CRYPTPAD_URLARGS;
+        $iframe.find('head').append('<link href="' + customCss + '" type="text/css" rel="stylesheet" _fcktemp="true"/>')
+
         framework._.sfCommon.addShortcuts(ifrWindow);
 
         var documentBody = ifrWindow.document.body;
