diff --git a/mdns-udp-capturer.js b/mdns-udp-capturer.js
index 9b2901e..fdab9c7 100644
--- a/mdns-udp-capturer.js
+++ b/mdns-udp-capturer.js
@@ -1,7 +1,7 @@
 'use strict';
 
 // pass a terminal arg
-var type = process.argv[2] || 'unknown';
+var type = process.argv[2];
 var count = parseInt(process.argv[3]) || 0;
 if (!type) {
   console.error("Usage: node aj-listener.js <type> [count]");
@@ -24,15 +24,8 @@ handlers.onError = function (err) {
     server.close();
 };
 handlers.onMessage = function (buffer) {
-  var name;
-
-  if (!count) {
-    name = type + '-' + count + '.mdns.bin';
-  }
-  else {
-    // probably the same device name responding
-    name = type + '-' + buffer.length + '.mdns.bin';
-  }
+  var name = type + '-' + count + '.mdns.bin';
+  count += 1;
 
   fs.writeFileAsync(name, buffer).then(function () {
     console.log('wrote ' + buffer.length + ' bytes to ' + name);
@@ -54,4 +47,4 @@ server.on('listening', handlers.onListening);
 
 // 53 dns
 // 5353 mdns
-server.bind(5353);
+server.bind(5353);
\ No newline at end of file