diff --git a/dmrlink.py b/dmrlink.py
index 0e88584..ae1f398 100755
--- a/dmrlink.py
+++ b/dmrlink.py
@@ -596,7 +596,7 @@ def handler(_signal, _frame):
         this_ipsc = networks[network]
         logger.info('De-Registering from IPSC %s', network)
         de_reg_req_pkt = this_ipsc.hashed_packet(this_ipsc._local['AUTH_KEY'], this_ipsc.DE_REG_REQ_PKT)
-        this_ipsc.send_to_ipsc(network, de_reg_req_pkt)
+        this_ipsc.send_to_ipsc(de_reg_req_pkt)
     
     reactor.stop()
 
@@ -1294,4 +1294,4 @@ if __name__ == '__main__':
             reactor.listenUDP(NETWORK[ipsc_network]['LOCAL']['PORT'], networks[ipsc_network], interface=NETWORK[ipsc_network]['LOCAL']['IP'])
     write_stats = task.LoopingCall(write_ipsc_stats)
     write_stats.start(10)
-    reactor.run()
\ No newline at end of file
+    reactor.run()