diff --git a/ChangeLog b/ChangeLog
index 8ac2f02f88..ef54013645 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+Sat Dec 22 10:25:44 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
+
+	* parse.y (reg_named_capture_assign_iter): captured name should
+	  not be reserved word.  a patch from Keita Yamaguchi
+	  <keita.yamaguchi AT gmail.com> in [ruby-dev:32675].
+
 Sat Dec 22 10:19:08 2007  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* eval.c (rb_f_method_name): now __method__ and __callee__ are
diff --git a/parse.y b/parse.y
index 9cb3e18e83..f63ff3667a 100644
--- a/parse.y
+++ b/parse.y
@@ -8516,7 +8516,8 @@ reg_named_capture_assign_iter(const OnigUChar *name, const OnigUChar *name_end,
         arg->fail_block = NEW_BEGIN(0);
     }
 
-    if (!(len && rb_enc_islower(*name, enc) && rb_enc_symname2_p(s, len, enc))) {
+    if (!(len && rb_enc_islower(*name, enc) && rb_enc_symname2_p(s, len, enc))
+	|| rb_reserved_word(name, len)) {
         compile_error(PARSER_ARG "named capture with a non local variable - %.*s",
                       len, name);
         return ST_CONTINUE;