diff --git a/bin/cmd.js b/bin/cmd.js
index 1357ec6..15da3fc 100755
--- a/bin/cmd.js
+++ b/bin/cmd.js
@@ -1,6 +1,6 @@
 #!/usr/bin/env node
 var http = require('http');
-var spawn = require('child_process').spawn;
+var spawn = require('win-spawn');
 var fs = require('fs');
 var qs = require('querystring');
 
diff --git a/package.json b/package.json
index 9280e54..b7e0d49 100644
--- a/package.json
+++ b/package.json
@@ -1,52 +1,55 @@
 {
-    "name" : "testling",
-    "description" : "write tests for browser code",
+  "name": "testling",
+  "description": "write tests for browser code",
     "version" : "1.6.1",
-    "repository" : {
-        "type" : "git",
-        "url" : "git://github.com/substack/testling.git"
-    },
-    "main" : "index.js",
-    "browserify" : "browser.js",
-    "bin" : {
-        "testling" : "bin/cmd.js"
-    },
-    "keywords" : [
-        "test",
-        "browser",
-        "headless"
-    ],
-    "scripts" : {
-        "prepublish" : "mkdir -p bundle && browserify browser/prelude.js -o bundle/prelude.js"
-    },
-    "dependencies" : {
-        "jsonify" : "~0.0.0",
-        "optimist" : "~0.5.2",
-        "xhr-write-stream" : "~0.1.2",
-        "concat-stream" : "~1.0.0",
-        "tap-finished" : "~0.0.0",
-        "ecstatic": "~0.4.5",
-        "browser-launcher": "~0.3.2",
-        "browserify": "3.x.x",
-        "resolve": "~0.4.0",
-        "glob": "~3.2.1",
-        "shell-quote": "~1.3.1",
-        "ent": "~0.0.5",
-        "bouncy": "~3.2.0",
-        "shallow-copy": "~0.0.0",
-        "object-inspect": "~0.1.3"
-    },
-    "bundledDependencies" : [ "browser-launcher" ],
-    "devDependencies": {
-        "tape": "~0.3.3"
-    },
-    "engines" : {
-        "node" : ">=0.6"
-    },
-    "license" : "MIT/X11",
-    "author" : {
-        "name" : "James Halliday",
-        "email" : "mail@substack.net",
-        "url" : "http://substack.net"
-    }
+  "repository": {
+    "type": "git",
+    "url": "git://github.com/substack/testling.git"
+  },
+  "main": "index.js",
+  "browserify": "browser.js",
+  "bin": {
+    "testling": "bin/cmd.js"
+  },
+  "keywords": [
+    "test",
+    "browser",
+    "headless"
+  ],
+  "scripts": {
+    "prepublish": "mkdir -p bundle && browserify browser/prelude.js -o bundle/prelude.js"
+  },
+  "dependencies": {
+    "jsonify": "~0.0.0",
+    "optimist": "~0.5.2",
+    "xhr-write-stream": "~0.1.2",
+    "concat-stream": "~1.0.0",
+    "tap-finished": "~0.0.0",
+    "ecstatic": "~0.4.5",
+    "browser-launcher": "~0.3.2",
+    "browserify": "3.x.x",
+    "resolve": "~0.4.0",
+    "glob": "~3.2.1",
+    "shell-quote": "~1.3.1",
+    "ent": "~0.0.5",
+    "bouncy": "~3.2.0",
+    "shallow-copy": "~0.0.0",
+    "object-inspect": "~0.1.3",
+    "win-spawn": "~2.0.0"
+  },
+  "bundledDependencies": [
+    "browser-launcher"
+  ],
+  "devDependencies": {
+    "tape": "~0.3.3"
+  },
+  "engines": {
+    "node": ">=0.6"
+  },
+  "license": "MIT/X11",
+  "author": {
+    "name": "James Halliday",
+    "email": "mail@substack.net",
+    "url": "http://substack.net"
+  }
 }