diff --git a/lib/builder.js b/lib/builder.js
index ea020857..1b10ba5e 100644
--- a/lib/builder.js
+++ b/lib/builder.js
@@ -744,7 +744,7 @@ YUI.add('doc-builder', function(Y) {
         _parseCode: function (html) {
             html = html || '';
             //html = html.replace(/<pre><code>/g, '<pre class="code"><code class="prettyprint">');
-            html = html.replace(/<pre><code>/g, '<pre class="code prettyprint"><code>');
+            html = html.replace(/<pre><code/g, '<pre class="code prettyprint"><code');
             return html;
         },
         /**