diff --git a/mkdocs/build.py b/mkdocs/build.py
index 8d3dbab0..2aedc8eb 100644
--- a/mkdocs/build.py
+++ b/mkdocs/build.py
@@ -83,8 +83,6 @@ def post_process_html(html_content, nav=None):
     img_sub = PathToURL('src="%s"', nav)
     html_content = re.sub(r'src="([^"]*)"', img_sub, html_content)
 
-    html_content = html_content.replace('<pre>', '<pre class="prettyprint well">')
-
     return html_content
 
 
diff --git a/mkdocs/themes/mkdocs/js/base.js b/mkdocs/themes/mkdocs/js/base.js
index c99cce72..9c172b0b 100644
--- a/mkdocs/themes/mkdocs/js/base.js
+++ b/mkdocs/themes/mkdocs/js/base.js
@@ -1,6 +1,7 @@
 
 /* Prettyify */
 $( document ).ready(function() {
+    $('pre code').parent().addClass('prettyprint well')
     prettyPrint();
 });