diff --git a/src/sp/transport/socket/sockfd.c b/src/sp/transport/socket/sockfd.c
index f7c283fa8..98a01d1fd 100644
--- a/src/sp/transport/socket/sockfd.c
+++ b/src/sp/transport/socket/sockfd.c
@@ -896,8 +896,8 @@ sfd_tran_ep_set_recvmaxsz(void *arg, const void *v, size_t sz, nni_opt_type t)
 static int
 sfd_tran_ep_bind(void *arg)
 {
-	NNI_ARG_UNUSED(arg);
-	return (0);
+	sfd_tran_ep *ep = arg;
+	return (nng_stream_listener_listen(ep->listener));
 }
 
 static void
@@ -988,7 +988,7 @@ sfd_tran_listener_setopt(
 
 static nni_sp_dialer_ops sfd_tran_dialer_ops = {
 	.d_init    = sfd_tran_dialer_init,
-	.d_fini    = sfd_tran_ep_fini,
+	.d_fini    = NULL,
 	.d_connect = NULL,
 	.d_close   = NULL,
 	.d_getopt  = NULL,