--- httpd-2.4.1/server/listen.c.orig 2011-12-05 01:08:01.000000000 +0100 +++ httpd-2.4.1/server/listen.c 2012-02-22 00:22:21.899829142 +0100 @@ -76,7 +76,7 @@ #if APR_HAVE_IPV6 if (server->bind_addr->family == APR_INET6) { stat = apr_socket_opt_set(s, APR_IPV6_V6ONLY, v6only_setting); - if (stat != APR_SUCCESS && stat != APR_ENOTIMPL) { + if (stat != APR_SUCCESS && stat != APR_ENOTIMPL && stat != ENOPROTOOPT) { ap_log_perror(APLOG_MARK, APLOG_CRIT, stat, p, APLOGNO(00069) "make_sock: for address %pI, apr_socket_opt_set: " "(IPV6_V6ONLY)",