diff --git a/testsuites/libtests/ChangeLog b/testsuites/libtests/ChangeLog
index c5d0f36801..a7791f4d87 100644
--- a/testsuites/libtests/ChangeLog
+++ b/testsuites/libtests/ChangeLog
@@ -1,3 +1,7 @@
+2009-11-13	Ralf Corsépius <ralf.corsepius@rtems.org>
+
+	* block06/init.c: Add missing prototype.
+
 2009-11-10	Sebastian Huber <Sebastian.Huber@embedded-brains.de>
 
 	* block07/init.c: New test case.
diff --git a/testsuites/libtests/block06/init.c b/testsuites/libtests/block06/init.c
index b8a5f46400..0bfa631aaa 100644
--- a/testsuites/libtests/block06/init.c
+++ b/testsuites/libtests/block06/init.c
@@ -1759,7 +1759,7 @@ static bdbuf_test_ident bdbuf_tests[] =
  * Test the BD Buffering code.
  */
 static void
-bdbuf_tester ()
+bdbuf_tester (void)
 {
   rtems_device_major_number major;
   bdbuf_task_control        tasks[BDBUF_TEST_TASKS];