diff --git a/hotspot_proxy_v2.py b/hotspot_proxy_v2.py
index 2e7cd6a..9a3026b 100644
--- a/hotspot_proxy_v2.py
+++ b/hotspot_proxy_v2.py
@@ -183,7 +183,7 @@ class Proxy(DatagramProtocol):
                 self.peerTrack[_peer_id]['shost'] = host
                 self.peerTrack[_peer_id]['timer'] = reactor.callLater(self.timeout,self.reaper,_peer_id)
                 self.transport.write(data, (self.master,_dport))
-                pripacket = b''.join([b'PRIN',host.encode('UTF-8'),b':',port.encode('UTF-8')])
+                pripacket = b''.join([b'PRIN',host.encode('UTF-8'),b':',port.to_bytes('big')])
                 #Send IP and Port info to server
                 self.transport.write(pripacket, (self.master,_dport))