diff --git a/gulp/util/bundle.js b/gulp/util/bundle.js
index a65e5c4..e472698 100644
--- a/gulp/util/bundle.js
+++ b/gulp/util/bundle.js
@@ -27,7 +27,15 @@
     args.debug = true;
     args.standalone = 'PIXI';
 
-    return browserify(paths.jsEntry, args);
+    var bundle = browserify(paths.jsEntry, args),
+        argv = require('minimist')(process.argv.slice(2)),
+        exclude = (argv.exclude || []).concat(argv.e || []);
+
+    for (var i = 0; i < exclude.length; ++i) {
+        bundle.ignore('./' + exclude[i]);
+    }
+
+    return bundle;
 }
 
 function watch(onUpdate) {

diff --git a/gulp/util/bundle.js b/gulp/util/bundle.js
index a65e5c4..e472698 100644
--- a/gulp/util/bundle.js
+++ b/gulp/util/bundle.js
@@ -27,7 +27,15 @@
     args.debug = true;
     args.standalone = 'PIXI';
 
-    return browserify(paths.jsEntry, args);
+    var bundle = browserify(paths.jsEntry, args),
+        argv = require('minimist')(process.argv.slice(2)),
+        exclude = (argv.exclude || []).concat(argv.e || []);
+
+    for (var i = 0; i < exclude.length; ++i) {
+        bundle.ignore('./' + exclude[i]);
+    }
+
+    return bundle;
 }
 
 function watch(onUpdate) {
diff --git a/package.json b/package.json
index 832c5f4..51217d5 100644
--- a/package.json
+++ b/package.json
@@ -38,6 +38,7 @@
     "karma-firefox-launcher": "^0.1.0",
     "karma-mocha": "^0.1.10",
     "karma-spec-reporter": "^0.0.16",
+    "minimist": "^1.1.0",
     "mocha": "^2.1.0",
     "require-dir": "^0.1.0",
     "run-sequence": "^1.0.2",