diff --git a/hblink.py b/hblink.py
index c03e5de..4ccaa11 100755
--- a/hblink.py
+++ b/hblink.py
@@ -754,7 +754,11 @@ class HBSYSTEM(DatagramProtocol):
 
     def send_master(self, _packet, _hops = b'', _ber = b'\x00', _rssi = b'\x00',_source_server = b'\x00\x00\x00\x00'):
         if _packet[:4] == DMRD:
-            _packet = b''.join([_packet[:11], self._config['RADIO_ID'], _packet[15:],_ber,_rssi])
+            if len(_packet) < 54:
+                _packet = b''.join([_packet[:11], self._config['RADIO_ID'], _packet[15:],_ber,_rssi])
+            else:
+                _packet = b''.join([_packet[:11], self._config['RADIO_ID'], _packet[15:]])
+            
         self.transport.write(_packet, self._config['MASTER_SOCKADDR'])
         # KEEP THE FOLLOWING COMMENTED OUT UNLESS YOU'RE DEBUGGING DEEPLY!!!!
         #logger.debug('(%s) TX Packet to %s:%s -- %s', self._system, self._config['MASTER_IP'], self._config['MASTER_PORT'], ahex(_packet))