diff --git a/actionpack/CHANGELOG b/actionpack/CHANGELOG
index 4c98817c8c..dcf8e93351 100644
--- a/actionpack/CHANGELOG
+++ b/actionpack/CHANGELOG
@@ -1,3 +1,8 @@
+*SVN*
+
+* Fixed that the :multipart option in FormTagHelper#form_tag would be ignored [Yonatan Feldman]
+
+
 *1.5.1* (7th March, 2005)
 
 * Fixed that the routes.rb file wouldn't be found on symlinked setups due to File.expand_path #793 [piotr@t-p-l.com]
diff --git a/actionpack/lib/action_view/helpers/form_tag_helper.rb b/actionpack/lib/action_view/helpers/form_tag_helper.rb
index 60e3bbb67b..2fc055686b 100644
--- a/actionpack/lib/action_view/helpers/form_tag_helper.rb
+++ b/actionpack/lib/action_view/helpers/form_tag_helper.rb
@@ -14,9 +14,9 @@ module FormTagHelper
       def form_tag(url_for_options = {}, options = {}, *parameters_for_url)
         html_options = { "method" => "post" }.merge(options.stringify_keys)
 
-        if html_options[:multipart]
+        if html_options["multipart"]
           html_options["enctype"] = "multipart/form-data"
-          html_options.delete(:multipart)
+          html_options.delete("multipart")
         end
 
         html_options["action"] = url_for(url_for_options, *parameters_for_url)