diff --git a/.gitignore b/.gitignore
index 19c622f..802b41f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ browserify-test/script.js
 browserify-test/script.map
 header-test/script.js
 header-test/script.map
+webpack-test/compiled.js
\ No newline at end of file
diff --git a/build.js b/build.js
index fdbf145..998405c 100755
--- a/build.js
+++ b/build.js
@@ -5,8 +5,9 @@ var path = require('path');
 var querystring = require('querystring');
 var child_process = require('child_process');
 
-var browserify = path.join('node_modules', '.bin', 'browserify');
-var coffee = path.join('node_modules', '.bin', 'coffee');
+var browserify = path.resolve(path.join('node_modules', '.bin', 'browserify'));
+var webpack = path.resolve(path.join('node_modules', '.bin', 'webpack'));
+var coffee = path.resolve(path.join('node_modules', '.bin', 'coffee'));
 
 function run(command, callback) {
   console.log(command);
@@ -71,3 +72,8 @@ run(coffee + ' --map --compile header-test/script.coffee', function(error) {
   var contents = fs.readFileSync('header-test/script.js', 'utf8');
   fs.writeFileSync('header-test/script.js', contents.replace(/\/\/# sourceMappingURL=.*/g, ''))
 });
+
+// Build the webpack test
+child_process.exec(webpack, {cwd: 'webpack-test'}, function(error) {
+  if (error) throw error;
+});
diff --git a/package.json b/package.json
index 0f8bfdf..9a8e1fe 100644
--- a/package.json
+++ b/package.json
@@ -16,7 +16,8 @@
     "browserify": "3.44.2",
     "coffee-script": "1.7.1",
     "http-server": "^0.8.5",
-    "mocha": "1.18.2"
+    "mocha": "1.18.2",
+    "webpack": "^1.13.3"
   },
   "repository": {
     "type": "git",
diff --git a/webpack-test/index.html b/webpack-test/index.html
new file mode 100644
index 0000000..33520e0
--- /dev/null
+++ b/webpack-test/index.html
@@ -0,0 +1,5 @@
+<p>
+Make sure to run build.js.
+This test should say either "Test failed" or "Test passed":
+</p>
+<script src="compiled.js"></script>
diff --git a/webpack-test/script.js b/webpack-test/script.js
new file mode 100644
index 0000000..223ce6c
--- /dev/null
+++ b/webpack-test/script.js
@@ -0,0 +1,16 @@
+require('../').install();
+
+function foo() {
+  throw new Error('foo');
+}
+
+try {
+  foo();
+} catch (e) {
+  if (/\bscript\.js\b/.test(e.stack)) {
+    document.body.appendChild(document.createTextNode('Test passed'));
+  } else {
+    document.body.appendChild(document.createTextNode('Test failed'));
+    console.log(e.stack);
+  }
+}
diff --git a/webpack-test/webpack.config.js b/webpack-test/webpack.config.js
new file mode 100644
index 0000000..10991c0
--- /dev/null
+++ b/webpack-test/webpack.config.js
@@ -0,0 +1,12 @@
+var webpack = require('webpack');
+
+module.exports = {
+  entry: './script.js',
+  devtool: 'inline-source-map',
+  output: {
+    filename: 'compiled.js'
+  },
+  resolve: {
+    extensions: ['', '.js']
+  }
+};