diff --git a/local-cli/bundle/output/unbundle/as-assets.js b/local-cli/bundle/output/unbundle/as-assets.js
index 4165907c0a..2f818b0d72 100644
--- a/local-cli/bundle/output/unbundle/as-assets.js
+++ b/local-cli/bundle/output/unbundle/as-assets.js
@@ -41,7 +41,7 @@ function saveAsAssets(bundle, options, log) {
   const modulesDir = path.join(path.dirname(bundleOutput), MODULES_DIR);
   const writeUnbundle =
     createDir(modulesDir).then( // create the modules directory first
-      Promise.all([
+      () => Promise.all([
         writeModules(modules, modulesDir, encoding),
         writeFile(bundleOutput, startupCode, encoding),
         writeMagicFlagFile(modulesDir),