diff --git a/ChangeLog b/ChangeLog
index 4f38e3ca33..e5950539fa 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,8 +1,9 @@
 Sun Sep 13 13:38:00 2009  Marc-Andre Lafortune  <ruby-core@marc-andre.ca>
 
-  * thread.c (recursive_*): refactored the access to the inspect table used by
-    rb_exec_recursive_*. The functions recursive_push, pop and check now assume
-    a valid hash table as their first argument. Added documentation.
+	* thread.c (recursive_*): refactored the access to the inspect
+	  table used by rb_exec_recursive_*. The functions recursive_push,
+	  pop and check now assume a valid hash table as their first
+	  argument. Added documentation.
 
 Sun Sep 13 12:07:49 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
diff --git a/thread.c b/thread.c
index 45a0a80c56..5943cecdc0 100644
--- a/thread.c
+++ b/thread.c
@@ -3386,7 +3386,8 @@ static ID recursive_key;
  */
 
 static VALUE
-recursive_list_access() {
+recursive_list_access(void)
+{
     volatile VALUE hash = rb_thread_local_aref(rb_thread_current(), recursive_key);
     VALUE sym = ID2SYM(rb_frame_this_func());
     VALUE list;