diff --git a/lib/before-prepare.js b/lib/before-prepare.js
index 9dd837e..d580d18 100644
--- a/lib/before-prepare.js
+++ b/lib/before-prepare.js
@@ -1,7 +1,10 @@
 var compiler = require('./compiler');
 
 module.exports = function ($logger, $projectData, $usbLiveSyncService) {
-	if (!$usbLiveSyncService.isInitialized) {
-		return compiler.runTypeScriptCompiler($logger, $projectData.projectDir);
+	var liveSync = $usbLiveSyncService.isInitialized;
+	var bundle = $projectData.$options.bundle;
+	if (liveSync || bundle) {
+		return;
 	}
+	return compiler.runTypeScriptCompiler($logger, $projectData.projectDir);
 }
diff --git a/package.json b/package.json
index ee94e62..1fbe9cb 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "nativescript-dev-typescript",
-  "version": "0.3.4",
+  "version": "0.3.5",
   "description": "TypeScript support for NativeScript projects. Install using `tns install typescript`.",
   "scripts": {
     "test": "exit 0",