diff --git a/ChangeLog b/ChangeLog
index 3f977f2a68..cf1bdb564a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Fri Sep  4 04:46:08 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
+
+	* lib/webrick/httpservlet/abstract.rb (do_OPTIONS): method names
+	  are symbols now.  [ruby-core:24580]
+
 Sun Mar 15 09:17:26 2009  Nobuyoshi Nakada  <nobu@ruby-lang.org>
 
 	* common.mk (.y.c): use SRC_FILE which contains slashes instead of
diff --git a/lib/webrick/httpservlet/abstract.rb b/lib/webrick/httpservlet/abstract.rb
index 2a0a4049f2..f8bf14a330 100644
--- a/lib/webrick/httpservlet/abstract.rb
+++ b/lib/webrick/httpservlet/abstract.rb
@@ -48,8 +48,7 @@ module WEBrick
       end
 
       def do_OPTIONS(req, res)
-        m = self.methods.grep(/^do_[A-Z]+$/)
-        m.collect!{|i| i.sub(/do_/, "") }
+        m = self.methods.grep(/\Ado_([A-Z]+)\z/) {$1}
         m.sort!
         res["allow"] = m.join(",")
       end
diff --git a/version.h b/version.h
index 3541b5d70a..f3cad1beea 100644
--- a/version.h
+++ b/version.h
@@ -1,5 +1,5 @@
 #define RUBY_VERSION "1.9.1"
-#define RUBY_PATCHLEVEL 311
+#define RUBY_PATCHLEVEL 312
 #define RUBY_VERSION_MAJOR 1
 #define RUBY_VERSION_MINOR 9
 #define RUBY_VERSION_TEENY 1