diff --git a/app.js b/lib/app.js
similarity index 100%
rename from app.js
rename to lib/app.js
diff --git a/serve.js b/serve.js
index b55f8c7..5f15d49 100755
--- a/serve.js
+++ b/serve.js
@@ -92,7 +92,7 @@ function createServer(port, pubdir, content, opts) {
   }
 
   return new PromiseA(function (realResolve) {
-    var app = require('./app');
+    var app = require('./lib/app.js');
 
     var directive = { public: pubdir, content: content, livereload: opts.livereload
       , servername: opts.servername, expressApp: opts.expressApp };