diff --git a/ChangeLog b/ChangeLog
index 6142af56f2..e60cdbee51 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,8 @@ Sat Aug 18 11:44:59 2007  Koichi Sasada  <ko1@atdot.net>
 
 	* compile.c (iseq_set_arguments), insnhelper.ci
 	  (vm_callee_setup_arg, vm_yield_setup_args): 
+	  fix to cause raise on "lambda{|a|}.call(1, 2)".
+	  [ruby-dev:31464]
 
 	* bootstraptest/test_block.rb: add tests for above.