diff --git a/usr.sbin/jls/jls.c b/usr.sbin/jls/jls.c
--- a/usr.sbin/jls/jls.c
+++ b/usr.sbin/jls/jls.c
@@ -40,7 +40,6 @@
 #include <arpa/inet.h>
 #include <netinet/in.h>
 
-#include <err.h>
 #include <errno.h>
 #include <jail.h>
 #include <limits.h>
@@ -251,8 +250,9 @@
 	}
 	xo_close_list("jail");
 	xo_close_container("jail-information");
-	xo_finish();
-	return (0);
+	if (xo_finish() < 0)
+		xo_err(1, "stdout");
+	exit(0);
 }
 
 static int