diff --git a/testsuites/fstests/ChangeLog b/testsuites/fstests/ChangeLog
index bcc8dd15b3..80743fb48b 100644
--- a/testsuites/fstests/ChangeLog
+++ b/testsuites/fstests/ChangeLog
@@ -1,3 +1,7 @@
+2011-09-30	Ralf Corsépius <ralf.corsepius@rtems.org>
+
+	* fsrdwr/init.c: Use %zd to print size_t.
+
 2011-09-30	Ralf Corsépius <ralf.corsepius@rtems.org>
 
 	* fserror/test.c, fslink/test.c, fspatheval/test.c,
diff --git a/testsuites/fstests/fsrdwr/init.c b/testsuites/fstests/fsrdwr/init.c
index f1aee06289..aa5404ac85 100644
--- a/testsuites/fstests/fsrdwr/init.c
+++ b/testsuites/fstests/fsrdwr/init.c
@@ -329,7 +329,7 @@ lseek_test (void)
   rtems_test_assert (pos == 0);
 
 
-  printf ("Writing %d bytes to file\n", len * 10);
+  printf ("Writing %zd bytes to file\n", len * 10);
   for (i = 0; i < 10; i++) {
     n = write (fd, databuf, len);
     rtems_test_assert (n != -1);