diff --git a/src/checks.c b/src/checks.c
index 5318f35..84bf0e5 100644
--- a/src/checks.c
+++ b/src/checks.c
@@ -1413,7 +1413,7 @@
 
 	/* prepare a new connection */
 	conn_init(conn);
-	conn_prepare(conn, s->check_common.proto, s->check_common.xprt);
+	conn_prepare(conn, s->check_common.proto, check->xprt);
 	conn_attach(conn, check, &check_conn_cb);
 	conn->target = &s->obj_type;