diff --git a/src/web/index.pug b/src/web/index.pug
index dd312fb035a22f0d0a2820a6014c6e8c423ae4e1..8ebe34858f173c45959d897319924f0608cd9dad 100644
--- a/src/web/index.pug
+++ b/src/web/index.pug
@@ -19,7 +19,10 @@ html
       window.Buffer = Function
       window.TIME = new Date()
     script(src='js/app.js' defer)
-    script(src='//unpkg.com/json-schema-faker')
+    if env.NODE_ENV === 'production'
+      script(src='//unpkg.com/json-schema-faker')
+    else
+      script(src='bundle.js' defer)
   body
     .Toolbar.f
       .p.oh.rel