diff --git a/src/checks.c b/src/checks.c
index 8ca208954..cae2e3e3f 100644
--- a/src/checks.c
+++ b/src/checks.c
@@ -2757,6 +2757,8 @@ static int tcpcheck_main(struct check *check)
 				set_host_port(&conn->addr.to, check->current_step->port);
 			else if (check->port)
 				set_host_port(&conn->addr.to, check->port);
+			else if (s->svc_port)
+				set_host_port(&conn->addr.to, s->svc_port);
 
 			if (check->current_step->conn_opts & TCPCHK_OPT_SSL) {
 				xprt = xprt_get(XPRT_SSL);