diff --git a/ChangeLog b/ChangeLog
index 6fc3293193..7a708bc2b1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+Tue Aug 10 20:45:35 2010  Tanaka Akira  <akr@fsij.org>
+
+	* ext/pathname/pathname.c (path_rename): Pathname#rename translated
+	  from pathname.rb.
+
 Tue Aug 10 20:16:19 2010  NAKAMURA Usaku  <usa@ruby-lang.org>
 
 	* ext/dl/win32/lib/win32/resolv.rb (get_info): get rid of a warning.
diff --git a/ext/pathname/lib/pathname.rb b/ext/pathname/lib/pathname.rb
index 9ba002b6ca..da31514290 100644
--- a/ext/pathname/lib/pathname.rb
+++ b/ext/pathname/lib/pathname.rb
@@ -512,9 +512,6 @@ end
 
 class Pathname    # * File *
 
-  # See <tt>File.rename</tt>.  Rename the file.
-  def rename(to) File.rename(@path, to) end
-
   # See <tt>File.stat</tt>.  Returns a <tt>File::Stat</tt> object.
   def stat() File.stat(@path) end
 
diff --git a/ext/pathname/pathname.c b/ext/pathname/pathname.c
index 5894451272..020f829229 100644
--- a/ext/pathname/pathname.c
+++ b/ext/pathname/pathname.c
@@ -366,6 +366,15 @@ path_readlink(VALUE self)
     return rb_class_new_instance(1, &str, rb_obj_class(self));
 }
 
+/*
+ * See <tt>File.rename</tt>.  Rename the file.
+ */
+static VALUE
+path_rename(VALUE self, VALUE to)
+{
+    return rb_funcall(rb_cFile, rb_intern("rename"), 2, get_strpath(self), to);
+}
+
 /*
  * == Pathname
  *
@@ -579,4 +588,5 @@ Init_pathname()
     rb_define_method(rb_cPathname, "make_link", path_make_link, 1);
     rb_define_method(rb_cPathname, "open", path_open, -1);
     rb_define_method(rb_cPathname, "readlink", path_readlink, 0);
+    rb_define_method(rb_cPathname, "rename", path_rename, 1);
 }