diff --git a/src/socket.c b/src/socket.c
index 4979f09..e17b95a 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -800,6 +800,11 @@ static struct socket *tcpx_listen(Slirp *slirp, int family,
     }
 
     s = slirp_socket(family, SOCK_STREAM, 0);
+
+    int v = 1;
+    if (family == AF_INET6) {
+        setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, &v, sizeof(v));
+    }
     if ((s < 0) ||
         (slirp_socket_set_fast_reuse(s) < 0) ||
         (bind(s, (struct sockaddr *)&addr, addrlen) < 0) ||