diff --git a/bridge_master.py b/bridge_master.py
index a0442e3..fe5957a 100644
--- a/bridge_master.py
+++ b/bridge_master.py
@@ -1949,6 +1949,7 @@ class routerHBP(HBSYSTEM):
     
     def sendDataToHBP(self,_d_system,_d_slot,_dst_id,_tmp_bits,_data,dmrpkt,_rf_src,_stream_id,_peer_id):
         #Assemble transmit HBP packet header
+        _int_dst_id = int_id(_dst_id)
         _tmp_data = b''.join([_data[:15], _tmp_bits.to_bytes(1, 'big'), _data[16:20]])
         _tmp_data = b''.join([_tmp_data, dmrpkt])
         systems[_d_system].send_system(_tmp_data)