diff --git a/_layouts/base.html b/_layouts/base.html
index 3417f2b2..8eb433b2 100644
--- a/_layouts/base.html
+++ b/_layouts/base.html
@@ -20,9 +20,9 @@ menu:
 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
 <title>{% capture title %}{% translate title %}{% endcapture %}{% if title != '' %}{{ title }}{% else %}{{ page.title }}{% endif %}</title>
 {% lesscss main.less %}
-<!--[if lt IE 8]><link rel="stylesheet" type="text/css" href="/css/ie.css" /><script type="text/javascript" src="/js/ie.js"></script><![endif]-->
-{% if page.lang == 'ar' or page.lang == 'fa' %}<link rel="stylesheet" type="text/css" href="/css/rtl.css">{% endif %}
-{% if page.lang == 'pl' or page.lang == 'ru' or page.lang == 'zh_CN' or page.lang == 'zh_TW' %}<link rel="stylesheet" type="text/css" href="/css/sans.css">{% endif %}
+<!--[if lt IE 8]>{% lesscss ie.css %}<script type="text/javascript" src="/js/ie.js"></script><![endif]-->
+{% if page.lang == 'ar' or page.lang == 'fa' %}{% lesscss rtl.less %}{% endif %}
+{% if page.lang == 'pl' or page.lang == 'ru' or page.lang == 'zh_CN' or page.lang == 'zh_TW' %}{% lesscss sans.less %}{% endif %}
 <script type="text/javascript" src="/js/main.js"></script>
 <link rel="shortcut icon" href="/favicon.png">
 <link rel="apple-touch-icon-precomposed" href="/img/logo_ios.png"/>
diff --git a/css/ie.css b/_less/ie.css
similarity index 100%
rename from css/ie.css
rename to _less/ie.css
diff --git a/css/rtl.css b/_less/rtl.less
similarity index 100%
rename from css/rtl.css
rename to _less/rtl.less
diff --git a/css/sans.css b/_less/sans.less
similarity index 100%
rename from css/sans.css
rename to _less/sans.less
diff --git a/_plugins/less.rb b/_plugins/less.rb
index cbf4c605..7fb778e0 100644
--- a/_plugins/less.rb
+++ b/_plugins/less.rb
@@ -30,10 +30,15 @@ module Jekyll
       Dir.chdir(less_dir) do
         choices = Dir['**/*'].reject { |x| File.symlink?(x) }
         if choices.include?(@file)
-          source = File.read(@file)
-          f = IO.popen("lessc -", "w+")
-          f.write(source)
-          f.close_write()
+
+          if /\.css$/.match(@file)
+            f = file = File.new(@file, "r")
+          else
+            source = File.read(@file)
+            f = IO.popen("lessc -", "w+")
+            f.write(source)
+            f.close_write()
+          end
 
           css = f.readlines().join()