diff --git a/docker/dash-listen.py b/docker/dash-listen.py
index 440ab29..952871b 100644
--- a/docker/dash-listen.py
+++ b/docker/dash-listen.py
@@ -12,12 +12,10 @@
 #URL_CALLBACK=os.environ.get('URL_CALLBACK')
 
 def arp_display(pkt):
-	if pkt[ARP].op == 1: #who-has (request)
-		if pkt[ARP].hwsrc == DASH_MAC_ADDRESS:
+	if (pkt.haslayer(DHCP)):
+		if (pkt[Ether].src == DASH_MAC_ADDRESS):
 			#requests.get(URL_CALLBACK)
-			print "ARP from " + pkt[ARP].hwsrc + " " + pkt[ARP].psrc
-		else:
-			print "ARP Probe from unknown device: " + pkt[ARP].hwsrc + " " + pkt[ARP].psrc
+			print "DHCP from " + pkt[Ether].src
 		# end if
 	# end if
 # end apr_display
@@ -25,7 +23,7 @@
 
 while True:
 	try:
-		print sniff(prn=arp_display, iface=DASH_INTERFACE, filter="arp", store=0, count=10)
+		print sniff(prn=arp_display, iface=DASH_INTERFACE, filter="ip", store=0, count=0)
 	except:
 		pass
 	# end try