diff --git a/demo/default.htm b/demo/default.htm
index 8ceebf20..2fee6b77 100644
--- a/demo/default.htm
+++ b/demo/default.htm
@@ -31,9 +31,7 @@
       <footer>Copyright &copy; 2015 by <a href="//dlaa.me/">David Anson</a></footer>
     </div>
   </div>
-  <script src="browser-polyfills.js"></script>
   <script src="markdown-it.min.js"></script>
-  <script src="require-stub.js"></script>
   <script src="markdownlint-browser.js"></script>
   <script src="default.js"></script>
 </body>
diff --git a/demo/markdown-it-stub.js b/demo/markdown-it-stub.js
new file mode 100644
index 00000000..88fc2f41
--- /dev/null
+++ b/demo/markdown-it-stub.js
@@ -0,0 +1,7 @@
+"use strict";
+
+// Alias "markdown-it" (expected) to "markdownit" (exported)
+module.exports = window.markdownit;
+if (!module.exports) {
+  console.error("markdown-it must be loaded before markdownlint.");
+}
diff --git a/demo/offline.appcache b/demo/offline.appcache
index eaa407db..ad072207 100644
--- a/demo/offline.appcache
+++ b/demo/offline.appcache
@@ -1,12 +1,10 @@
 CACHE MANIFEST
-# 2015-05-08
-browser-polyfills.js
+# 2015-06-17
 default.css
 default.htm
 default.js
 favicon.ico
 markdown-it.min.js
 markdownlint-browser.js
-require-stub.js
 NETWORK:
 *
diff --git a/demo/require-stub.js b/demo/require-stub.js
deleted file mode 100644
index 9fcb8013..00000000
--- a/demo/require-stub.js
+++ /dev/null
@@ -1,8 +0,0 @@
-"use strict";
-
-// Aliases "markdown-it" (expected) for "markdownit" (exported)
-function require(module) {
-  if (module === "markdown-it") {
-    return window.markdownit;
-  }
-}
diff --git a/package.json b/package.json
index 22fa7268..acd8e720 100644
--- a/package.json
+++ b/package.json
@@ -15,8 +15,8 @@
     "test": "nodeunit",
     "test-cover": "istanbul cover node_modules/nodeunit/bin/nodeunit",
     "debug": "node debug node_modules/nodeunit/bin/nodeunit",
-    "lint": "eslint lib test & eslint --env browser --global markdownit --global markdownlint --rule \"no-unused-vars: 0, no-extend-native: 0, max-statements: 0\" demo & eslint --rule \"no-console: 0, no-shadow: 0\" example",
-    "build-demo": "copy node_modules\\markdown-it\\dist\\markdown-it.min.js demo & browserify lib/markdownlint.js --standalone markdownlint --exclude markdown-it --outfile demo/markdownlint-browser.js",
+    "lint": "eslint lib test & eslint --env browser --global markdownit --global markdownlint --rule \"no-unused-vars: 0, no-extend-native: 0, max-statements: 0, no-console: 0\" demo & eslint --rule \"no-console: 0, no-shadow: 0\" example",
+    "build-demo": "copy node_modules\\markdown-it\\dist\\markdown-it.min.js demo & browserify demo/browser-polyfills.js lib/markdownlint.js --standalone markdownlint --outfile demo/markdownlint-browser.js",
     "example": "npm install through2 & cd example & node standalone.js & grunt markdownlint & gulp markdownlint"
   },
   "dependencies": {
@@ -35,5 +35,8 @@
     "md",
     "check",
     "validate"
-  ]
+  ],
+  "browser": {
+    "markdown-it": "./demo/markdown-it-stub.js"
+  }
 }