diff --git a/tirpc/rpc/svc.h b/tirpc/rpc/svc.h
index 8273c95..f647095 100644
--- a/tirpc/rpc/svc.h
+++ b/tirpc/rpc/svc.h
@@ -88,6 +88,7 @@ enum xprt_stat {
  */
 typedef struct __rpc_svcxprt {
 	int		xp_fd;
+#define	xp_sock		xp_fd
 	u_short		xp_port;	 /* associated port number */
 	const struct xp_ops {
 	    /* receive incoming requests */