diff --git a/gulpfile.js b/gulpfile.js
index 443eabc43..a7b58b9b1 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -44,7 +44,8 @@ const fs = require("fs");
 const del = require("del");
 const through = require('through2');
 const File = require('vinyl');
-const Stream = require('stream').Stream
+const Stream = require('stream').Stream;
+const vfs = require('vinyl-fs');
 
 const paths = {
   ts: {
@@ -205,7 +206,7 @@ gulp.task("clean", function () {
 
 
 gulp.task("dist-prod", ["clean"], function () {
-  return gulp.src(paths.dist, {base: ".", stripBOM: false})
+  return vfs.src(paths.dist, {base: ".", stripBOM: false})
              .pipe(gulp.dest("build/ext/"));
 });
 
diff --git a/lib/vendor/preact b/lib/vendor/preact
new file mode 120000
index 000000000..6111fdad3
--- /dev/null
+++ b/lib/vendor/preact
@@ -0,0 +1 @@
+../../thirdparty/preact/src/
\ No newline at end of file
diff --git a/package.json b/package.json
index 41f1faac1..9b85bec9e 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
     "through2": "^2.0.1",
     "typescript": "^2.0.3",
     "typhonjs-istanbul-instrument-jspm": "^0.1.0",
-    "vinyl": "^2.0.0"
+    "vinyl": "^2.0.0",
+    "vinyl-fs": "^2.4.3"
   }
 }