diff --git a/docs/build/index.js b/docs/build/index.js
index 9c240ca360..3dfc3a7c7f 100644
--- a/docs/build/index.js
+++ b/docs/build/index.js
@@ -14,6 +14,8 @@ pages = fs.readdirSync(__dirname + '/../templates/pages')
 // iterate over pages
 pages.forEach(function (name) {
 
+  if (!name.match(/\.mustache$/) return
+
   var page = fs.readFileSync(__dirname  + '/../templates/pages/' + name, 'utf-8')
     , context = {}