diff --git a/usr.sbin/lastlogin/lastlogin.c b/usr.sbin/lastlogin/lastlogin.c
--- a/usr.sbin/lastlogin/lastlogin.c
+++ b/usr.sbin/lastlogin/lastlogin.c
@@ -38,7 +38,6 @@
 __RCSID("$NetBSD: lastlogin.c,v 1.4 1998/02/03 04:45:35 perry Exp $");
 #endif
 
-#include <err.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -147,7 +146,8 @@
 
 	xo_close_list("lastlogin");
 	xo_close_container("lastlogin-information");
-	xo_finish();
+	if (xo_finish() < 0)
+		xo_err(1, "stdout");
 
 	exit(0);
 }
@@ -170,6 +170,5 @@
 usage(void)
 {
 	xo_error("usage: lastlogin [-f file] [-rt] [user ...]\n");
-	xo_finish();
 	exit(1);
 }