diff --git a/ChangeLog b/ChangeLog
index 6c4b5d1418..59340c11a4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -108,7 +108,7 @@ Wed Jun 15 23:30:45 2011  KOSAKI Motohiro  <kosaki.motohiro@gmail.com>
 
 	* gc.c: fix a regression by r31690 on AIX because AIX malloc
 	  return NULL if it's passed 0. But some caller don't expect it.
-	  patch by Yutaka Kanemoto.
+	  patch by Yutaka Kanemoto. [ruby-dev:43779]
 	(vm_malloc_prepare): return calculated size.
 	(vm_xmalloc): use above result.
 	(vm_xcalloc): ditto.