diff --git a/module/srfi/srfi-14.mes b/module/srfi/srfi-14.mes
index 9d860691..799637ca 100644
--- a/module/srfi/srfi-14.mes
+++ b/module/srfi/srfi-14.mes
@@ -1,7 +1,7 @@
 ;;; -*-scheme-*-
 
 ;;; Mes --- Maxwell Equations of Software
-;;; Copyright © 2016 Jan Nieuwenhuizen <janneke@gnu.org>
+;;; Copyright © 2016,2018 Jan Nieuwenhuizen <janneke@gnu.org>
 ;;;
 ;;; This file is part of Mes.
 ;;;
@@ -35,7 +35,7 @@
   (and (char-set? a) (char-set? b)
        (equal? a b)))
 
-(define char-set:whitespace (char-set #\tab #\return #\vtab #\newline #\space))
+(define char-set:whitespace (char-set #\tab #\page #\return #\vtab #\newline #\space))
 
 (define (list->char-set lst)
   (apply char-set lst))