diff --git a/package.json b/package.json
index cd62282..7499ba6 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,7 @@
 {
   "name": "ios-deploy",
   "version": "1.5.0",
+  "os" : [ "darwin" ],
   "description": "launch iOS apps iOS devices from the command line (Xcode 6)",
   "main": "ios-deploy",
   "scripts": {