diff --git a/lib/XMLHttpRequest.js b/lib/XMLHttpRequest.js
index 4b7cab4..ec7d7a6 100644
--- a/lib/XMLHttpRequest.js
+++ b/lib/XMLHttpRequest.js
@@ -482,7 +482,10 @@ exports.XMLHttpRequest = function() {
         + (data ? "req.write('" + JSON.stringify(data).slice(1,-1).replace(/'/g, "\\'") + "');":"")
         + "req.end();";
       // Start the other Node Process, executing this string
-      var syncProc = spawn(process.argv[0], ["-e", execString]);
+      var statusText;
+      var syncProc = (process.execPath == "node")
+        ? spawn(process.execPath, ["-e", execString])
+        : spawn("/usr/bin/env", ["node", "-e", execString]);
       var statusText;
       while(fs.existsSync(syncFile)) {
         // Wait while the sync file is empty