diff -urN wget-1.9-rc1.org/src/main.c wget-1.9-rc1/src/main.c
--- wget-1.9-rc1.org/src/main.c	2003-10-17 09:40:01.000000000 +0200
+++ wget-1.9-rc1/src/main.c	2003-10-17 09:43:09.000000000 +0200
@@ -380,6 +380,15 @@
 
   append_to_log = 0;
 
+#ifdef ENABLE_IPV6
+  {
+      int s = socket(AF_INET6, SOCK_STREAM, 0);
+      if (s < 0 && (errno == EAFNOSUPPORT || errno == EINVAL))
+	  ip_default_family = AF_INET;
+      close(s);
+  }
+#endif
+
   /* Construct the name of the executable, without the directory part.  */
   exec_name = strrchr (argv[0], PATH_SEPARATOR);
   if (!exec_name)