diff -ur pygopherd/pygopherd/initialization.py pygopherd-ipv6/pygopherd/initialization.py
--- pygopherd/pygopherd/initialization.py	2006-09-11 16:10:13.000000000 +0200
+++ pygopherd-ipv6/pygopherd/initialization.py	2015-12-27 18:03:42.163583558 +0100
@@ -101,6 +101,12 @@
 
         def server_bind(self):
             """Override server_bind to store server name."""
+            if self.address_family == socket.AF_INET6:
+                if self.server_address[0] in ('', '::', '::0', '::0.0.0.0'):
+                    self.socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY,0)
+                else:
+                    self.socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_V6ONLY,1)
+
             servertype.server_bind(self)
 
             # Set a timeout.
@@ -111,7 +117,7 @@
                 self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_SNDTIMEO,
                                        mytimeout)
                 #self.socket.settimeout(int(config.get('pygopherd', 'timeout')))
-            host, port = self.socket.getsockname()
+            host, port = self.socket.getsockname()[0:2]
             if config.has_option("pygopherd", "servername"):
                 self.server_name = config.get("pygopherd", "servername")
             else:
@@ -121,6 +127,9 @@
             else:
                 self.server_port = port
 
+    class MyServer6(MyServer):
+        address_family = socket.AF_INET6
+
     # Instantiate a server.  Has to be done before the security so we can
     # get a privileged port if necessary.
 
@@ -130,8 +139,11 @@
         interface = config.get('pygopherd', 'interface')
 
     try:
-        s = MyServer((interface, config.getint('pygopherd', 'port')),
-                     GopherRequestHandler)
+        port = config.getint('pygopherd', 'port')
+        if interface == '' or ':' in interface:
+            s = MyServer6((interface, port), GopherRequestHandler)
+        else:
+            s = MyServer((interface, port), GopherRequestHandler)
     except:
         GopherExceptions.log(sys.exc_info()[1], None, None)
         logger.log("Application startup NOT successful!")