diff --git a/test-suite/tests/srfi-19.test b/test-suite/tests/srfi-19.test
index 75eb25637..45a8bf1e3 100644
--- a/test-suite/tests/srfi-19.test
+++ b/test-suite/tests/srfi-19.test
@@ -1,7 +1,7 @@
 ;;;; srfi-19.test --- test suite for SRFI-19 -*- scheme -*-
 ;;;; Matthias Koeppe <mkoeppe@mail.math.uni-magdeburg.de> --- June 2001
 ;;;;
-;;;; 	Copyright (C) 2001 Free Software Foundation, Inc.
+;;;; 	Copyright (C) 2001, 2003 Free Software Foundation, Inc.
 ;;;;
 ;;;; This program is free software; you can redistribute it and/or modify
 ;;;; it under the terms of the GNU General Public License as published by
@@ -150,7 +150,13 @@ incomplete numerical tower implementation.)"
          (time2 (make-time time-monotonic 385907 998360432))
          (diff (time-difference time2 time1)))
     (test-time-arithmetic add-duration time1 diff time2)
-    (test-time-arithmetic subtract-duration time2 diff time1)))
+    (test-time-arithmetic subtract-duration time2 diff time1))
+
+  (with-test-prefix "date-week-number"
+    (pass-if (= 0 (date-week-number (make-date 0 0 0 0 1 1 1984 0) 0)))
+    (pass-if (= 0 (date-week-number (make-date 0 0 0 0 7 1 1984 0) 0)))
+    (pass-if (= 1 (date-week-number (make-date 0 0 0 0 8 1 1984 0) 0)))))
+
 
 ;; Local Variables:
 ;; eval: (put 'with-tz 'scheme-indent-function 1)