diff --git a/ChangeLog b/ChangeLog
index ef7dfeda5d..3d029dd866 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Thu Sep 27 15:42:34 2007  Koichi Sasada  <ko1@atdot.net>
+
+	* ext/fiber/fiber.c: modify prototype declaration.
+	  [ruby-core:12247]
+
 Thu Sep 27 09:42:50 2007  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* parse.y (strings, xstring, regexp, dsym): empty strings have
diff --git a/ext/fiber/fiber.c b/ext/fiber/fiber.c
index bd4ac63fdf..7c33a1f231 100644
--- a/ext/fiber/fiber.c
+++ b/ext/fiber/fiber.c
@@ -1,5 +1,5 @@
 
-void Init_Fiber_body(void);
+void Init_Fiber_as_Coroutine(void);
 
 void
 Init_fiber(void)