1 diff --git a/conf/plugins/socket-default.opt b/conf/plugins/socket-default.opt
2 index 483a0f03d584..6fc7c2db47a7 100644
3 --- a/conf/plugins/socket-default.opt
4 +++ b/conf/plugins/socket-default.opt
5 @@ -7,5 +7,5 @@ charon.plugins.socket-default.set_source = yes
6 charon.plugins.socket-default.use_ipv4 = yes
7 Listen on IPv4, if possible.
9 -charon.plugins.socket-default.use_ipv6 = yes
10 +charon.plugins.socket-default.use_ipv6 = no
11 Listen on IPv6, if possible.
12 diff --git a/src/libcharon/plugins/socket_default/socket_default_socket.c b/src/libcharon/plugins/socket_default/socket_default_socket.c
13 index ba22b0c2bdb6..da6989d81d7a 100644
14 --- a/src/libcharon/plugins/socket_default/socket_default_socket.c
15 +++ b/src/libcharon/plugins/socket_default/socket_default_socket.c
16 @@ -748,7 +748,7 @@ static bool use_family(int family)
17 "%s.plugins.socket-default.use_ipv4", TRUE, lib->ns);
19 return lib->settings->get_bool(lib->settings,
20 - "%s.plugins.socket-default.use_ipv6", TRUE, lib->ns);
21 + "%s.plugins.socket-default.use_ipv6", FALSE, lib->ns);