--- /dev/null
+diff --git a/src/socket.c b/src/socket.c
+index 82c6252..e2feda9 100644
+--- a/src/socket.c
++++ b/src/socket.c
+@@ -241,10 +241,6 @@ socket_open(socket_st * hd, const char *hostname, const char *service,
+ /* get server name */
+ memset(&hints, 0, sizeof(hints));
+
+-#ifdef AI_IDN
+- hints.ai_flags = AI_IDN|AI_IDN_ALLOW_UNASSIGNED;
+-#endif
+-
+ hints.ai_socktype = udp ? SOCK_DGRAM : SOCK_STREAM;
+ if ((err = getaddrinfo(hostname, service, &hints, &res))) {
+ fprintf(stderr, "Cannot resolve %s:%s: %s\n", hostname,