diff --git a/lib/graph-service-worker.js b/lib/graph-service-worker.js
index 3df83416..7bd00501 100644
--- a/lib/graph-service-worker.js
+++ b/lib/graph-service-worker.js
@@ -113,8 +113,10 @@ function fileEnv (state) {
   ]
   var style = [`${state.styles.bundle.hash.toString('hex').slice(0, 16)}/bundle.css`]
   var assets = split(state.assets.list.buffer)
-  var doc = split(state.documents.list.buffer)
-  var manifest = ['/manifest.json']
+  var doc = split(state.documents.list.buffer).map(function (url) {
+    return url.slice(1)
+  })
+  var manifest = ['manifest.json']
 
   var files = [].concat(script, style, assets, doc, manifest)
   files = files.filter(function (file) {