diff --git a/usr.bin/vmstat/vmstat.c b/usr.bin/vmstat/vmstat.c
--- a/usr.bin/vmstat/vmstat.c
+++ b/usr.bin/vmstat/vmstat.c
@@ -64,7 +64,6 @@
 
 #include <ctype.h>
 #include <devstat.h>
-#include <err.h>
 #include <errno.h>
 #include <inttypes.h>
 #include <kvm.h>
@@ -348,8 +347,9 @@
 			xo_error("undefined symbols:\n", buf);
 		} else
 			xo_warnx("kvm_nlist: %s", kvm_geterr(kd));
-		xo_finish();
-		exit(1);
+		if (xo_finish() < 0)
+			xo_err(EXIT_FAILURE, "stdout");
+		exit(EXIT_FAILURE);
 	}
 nlist_ok:
 	if (kd && Pflag)
@@ -395,8 +395,9 @@
 		dointr(interval, reps);
 	if (todo & VMSTAT)
 		dovmstat(interval, reps);
-	xo_finish();
-	exit(0);
+	if (xo_finish() < 0)
+		xo_err(EXIT_FAILURE, "stdout");
+	exit(EXIT_SUCCESS);
 }
 
 static int
@@ -1678,6 +1679,7 @@
 	xo_error("%s%s",
 	    "usage: vmstat [-afHhimoPsz] [-M core [-N system]] [-c count] [-n devs]\n",
 	    "              [-p type,if,pass] [-w wait] [disks] [wait [count]]\n");
-	xo_finish();
-	exit(1);
+	if (xo_finish() < 0)
+		xo_err(EXIT_FAILURE, "stdout");
+	exit(EXIT_FAILURE);
 }