diff --git a/package.json b/package.json
index 082de0ffc2..d06447da5a 100644
--- a/package.json
+++ b/package.json
@@ -3,8 +3,7 @@
   "version": "0.0.0",
   "description": "Angular",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1",
-    "postinstall": "./postinstall.sh"
+    "test": "echo \"Error: no test specified\" && exit 1"
   },
   "author": "Tobias Bosch <tbosch@google.com>",
   "license": "MIT",
diff --git a/postinstall.sh b/postinstall.sh
index 0a8d34e8e7..3ce07b44f0 100755
--- a/postinstall.sh
+++ b/postinstall.sh
@@ -1,12 +1,12 @@
 #! /bin/sh
+git submodule init && git submodule update
+
 rm node_modules/traceur
 ln -s ../tools/traceur node_modules/traceur
 
 rm node_modules/js2dart
-ln -s ../tools/j2dart node_modules/js2dart
+ln -s ../tools/js2dart node_modules/js2dart
 
-cd tools/traceur
-npm install
+(cd tools/traceur; npm install)
 
-cd ../js2dart
-npm install
\ No newline at end of file
+(cd tools/js2dart; npm install)