diff -ur a/fiber.py b/fiber.py
--- a/fiber.py	2018-10-27 12:52:10.536264605 -0400
+++ b/fiber.py	2018-10-27 12:57:26.688730570 -0400
@@ -180,10 +180,10 @@
   os.dup2( nul.fileno(), sys.stdin.fileno()  )
 
 
-def spawn( generator, port, debug, log, pidfile ):
+def spawn( generator, port, debug, log, pidfile, listenfamily ):
 
   try:
-    listener = socket.socket( socket.AF_INET, socket.SOCK_STREAM )
+    listener = socket.socket( listenfamily, socket.SOCK_STREAM )
     listener.setblocking( 0 )
     listener.setsockopt( socket.SOL_SOCKET, socket.SO_REUSEADDR, listener.getsockopt( socket.SOL_SOCKET, socket.SO_REUSEADDR ) | 1 )
     listener.bind( ( '', port ) )
diff -ur a/http-replicator b/http-replicator
--- a/http-replicator	2018-10-27 12:52:10.542931816 -0400
+++ b/http-replicator	2018-10-27 12:59:36.345978943 -0400
@@ -9,7 +9,7 @@
 
 def Replicator( client, address ):
 
-  print 'Accepted request from %s:%i' % address
+  print 'Accepted request from [%s]:%i' % address[0:2]
 
   request = Request.HttpRequest()
   while not request.Protocol:
@@ -60,4 +60,4 @@
   print 'Transaction successfully completed'
 
 
-fiber.spawn( Replicator, Params.PORT, Params.DEBUG, Params.LOG, Params.PIDFILE )
+fiber.spawn( Replicator, Params.PORT, Params.DEBUG, Params.LOG, Params.PIDFILE, Params.LISTENFAMILY )
diff -ur a/Params.py b/Params.py
--- a/Params.py	2018-10-27 12:52:10.549599026 -0400
+++ b/Params.py	2018-10-27 12:55:31.772685822 -0400
@@ -9,6 +9,7 @@
 TIMEOUT = 15
 PIDFILE = False
 FAMILY = socket.AF_INET
+LISTENFAMILY = socket.AF_INET
 FLAT = False
 STATIC = False
 ONLINE = True
@@ -63,6 +64,7 @@
       sys.exit( 'Error: %s requires a positive numerical argument' % _arg )
   elif _arg in ( '-6', '--ipv6' ):
     FAMILY = socket.AF_UNSPEC
+    LISTENFAMILY = socket.AF_INET6
   elif _arg == '--flat':
     FLAT = True
   elif _arg == '--static':
diff --git a/Protocol.py b/Protocol.py
--- a/Protocol.py
+++ b/Protocol.py
@@ -13,7 +13,7 @@ def connect( addr ):
 
   family, socktype, proto, canonname, sockaddr = DNSCache[ addr ][ 0 ]
 
-  print 'Connecting to %s:%i' % sockaddr
+  print 'Connecting to [%s]:%i' % sockaddr[0:2]
   sock = socket.socket( family, socktype, proto )
   sock.setblocking( 0 )
   sock.connect_ex( sockaddr )
-- 
2.18.1