diff --git a/bridge_master.py b/bridge_master.py
index 133f561..a0ad806 100644
--- a/bridge_master.py
+++ b/bridge_master.py
@@ -1236,7 +1236,7 @@ class routerOBP(OPENBRIDGE):
         OPENBRIDGE.__init__(self, _name, _config, _report)
         self.STATUS = {}
                 
-    def to_target(self, _peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data, pkt_time, dmrpkt, _bits,_bridge,_system,_noOBP,sysIgnore, _hops = bytes(0)):
+    def to_target(self, _peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data, pkt_time, dmrpkt, _bits,_bridge,_system,_noOBP,sysIgnore, _hops = False):
         _sysIgnore = sysIgnore
         for _target in BRIDGES[_bridge]:
             if (_target['SYSTEM'] != self._system) and (_target['ACTIVE']):
@@ -1423,7 +1423,7 @@ class routerOBP(OPENBRIDGE):
         if CONFIG['REPORTS']['REPORT']:
             systems[_d_system]._report.send_bridgeEvent('UNIT DATA,START,TX,{},{},{},{},{},{}'.format(_d_system, int_id(_stream_id), int_id(_peer_id), int_id(_rf_src), 1, _int_dst_id).encode(encoding='utf-8', errors='ignore'))
         
-    def sendDataToOBP(self,_target,_data,dmrpkt,pkt_time,_stream_id,_dst_id,_peer_id,_rf_src,_bits,_slot,_hops = bytes(0)):
+    def sendDataToOBP(self,_target,_data,dmrpkt,pkt_time,_stream_id,_dst_id,_peer_id,_rf_src,_bits,_slot,_hops = False):
 
         _int_dst_id = int_id(_dst_id)
         _target_status = systems[_target].STATUS
@@ -1463,7 +1463,7 @@ class routerOBP(OPENBRIDGE):
             systems[_target]._report.send_bridgeEvent('UNIT DATA,START,TX,{},{},{},{},{},{}'.format(_target, int_id(_stream_id), int_id(_peer_id), int_id(_rf_src), 1, _int_dst_id).encode(encoding='utf-8', errors='ignore'))
 
 
-    def dmrd_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data,_hash, _hops = bytes(0)):
+    def dmrd_received(self, _peer_id, _rf_src, _dst_id, _seq, _slot, _call_type, _frame_type, _dtype_vseq, _stream_id, _data,_hash, _hops = False):
         pkt_time = time()
         dmrpkt = _data[20:53]
         _bits = _data[15]
@@ -1569,7 +1569,7 @@ class routerOBP(OPENBRIDGE):
                     continue
                 #We only want to send data calls to individual IDs via OpenBridge
                 if CONFIG['SYSTEMS'][system]['MODE'] == 'OPENBRIDGE' and (_int_dst_id >= 1000000):
-                    self.sendDataToOBP(system,_data,dmrpkt,pkt_time,_stream_id,_dst_id,_peer_id,_rf_src,_bits,_slot)
+                    self.sendDataToOBP(system,_data,dmrpkt,pkt_time,_stream_id,_dst_id,_peer_id,_rf_src,_bits,_slot,_hops)
             
             #If destination ID is in the Subscriber Map
             if _dst_id in SUB_MAP:
@@ -2034,7 +2034,7 @@ class routerHBP(HBSYSTEM):
         if CONFIG['REPORTS']['REPORT']:
             systems[_d_system]._report.send_bridgeEvent('UNIT DATA,START,TX,{},{},{},{},{},{}'.format(_d_system, int_id(_stream_id), int_id(_peer_id), int_id(_rf_src), 1, _int_dst_id).encode(encoding='utf-8', errors='ignore'))
             
-    def sendDataToOBP(self,_target,_data,dmrpkt,pkt_time,_stream_id,_dst_id,_peer_id,_rf_src,_bits,_slot,_hops = bytes(0)):
+    def sendDataToOBP(self,_target,_data,dmrpkt,pkt_time,_stream_id,_dst_id,_peer_id,_rf_src,_bits,_slot,_hops = False):
  #       _sysIgnore = sysIgnore
         _int_dst_id = int_id(_dst_id)
         _target_status = systems[_target].STATUS
@@ -2151,7 +2151,7 @@ class routerHBP(HBSYSTEM):
                     continue
                 #We only want to send data calls to individual IDs via OpenBridge
                 if CONFIG['SYSTEMS'][system]['MODE'] == 'OPENBRIDGE' and (_int_dst_id >= 1000000):
-                    self.sendDataToOBP(system,_data,dmrpkt,pkt_time,_stream_id,_dst_id,_peer_id,_rf_src,_bits,_slot,None)
+                    self.sendDataToOBP(system,_data,dmrpkt,pkt_time,_stream_id,_dst_id,_peer_id,_rf_src,_bits,_slot)
 
             
             #If destination ID is in the Subscriber Map
diff --git a/hblink.py b/hblink.py
index 5c889f4..6e7196f 100755
--- a/hblink.py
+++ b/hblink.py
@@ -315,7 +315,7 @@ class OPENBRIDGE(DatagramProtocol):
                 _hash = _packet[62:]
                 #_ckhs = hmac_new(self._config['PASSPHRASE'],_data,sha1).digest()
                 _h = blake2b(key=self._config['PASSPHRASE'], digest_size=16)
-                _h.update(_packet[:61])
+                _h.update(_packet[:60])
                 _ckhs = _h.digest()
 
                 if compare_digest(_hash, _ckhs) and (_sockaddr == self._config['TARGET_SOCK'] or self._config['RELAX_CHECKS']):