diff --git a/plugins/custom_forms/db/migrate/20130823135600_add_select_field_type_to_custom_forms_plugin_fields.rb b/plugins/custom_forms/db/migrate/20130823135600_add_select_field_type_to_custom_forms_plugin_fields.rb
index 528ba0f..af696cb 100644
--- a/plugins/custom_forms/db/migrate/20130823135600_add_select_field_type_to_custom_forms_plugin_fields.rb
+++ b/plugins/custom_forms/db/migrate/20130823135600_add_select_field_type_to_custom_forms_plugin_fields.rb
@@ -4,18 +4,10 @@ class AddSelectFieldTypeToCustomFormsPluginFields < ActiveRecord::Migration
       t.string :select_field_type
     end
 
-    CustomFormsPlugin::Field.find_each do |f|
-      if !f.list && !f.multiple
-        f.select_field_type = :radio
-      elsif !f.list && f.multiple
-        f.select_field_type = :check_box
-      elsif f.list && !f.multiple
-        f.select_field_type = :select
-      else
-        f.select_field_type = :multiple_select
-      end
-      f.save!
-    end
+    update("UPDATE custom_forms_plugin_fields SET select_field_type='radio' WHERE list IS FALSE AND multiple IS FALSE")
+    update("UPDATE custom_forms_plugin_fields SET select_field_type='check_box' WHERE list IS FALSE AND multiple IS TRUE")
+    update("UPDATE custom_forms_plugin_fields SET select_field_type='select' WHERE list IS TRUE AND multiple IS FALSE")
+    update("UPDATE custom_forms_plugin_fields SET select_field_type='multiple_select' WHERE list IS TRUE AND multiple IS TRUE")
 
     change_table :custom_forms_plugin_fields do |t|
       t.remove :multiple, :list
@@ -23,6 +15,18 @@ class AddSelectFieldTypeToCustomFormsPluginFields < ActiveRecord::Migration
   end
 
   def self.down
-    raise ActiveRecord::IrreversibleMigration
+    change_table :custom_forms_plugin_fields do |t|
+      t.boolean :multiple
+      t.boolean :list
+    end
+
+    update("UPDATE custom_forms_plugin_fields SET list=TRUE, multiple=FALSE WHERE select_field_type='radio'")
+    update("UPDATE custom_forms_plugin_fields SET list=FALSE, multiople=TRUE WHERE select_field_type='check_box'")
+    update("UPDATE custom_forms_plugin_fields SET list=TRUE, multiple=FALSE WHERE select_field_type='select'")
+    update("UPDATE custom_forms_plugin_fields SET list=TRUE, multiple=TRUE WHERE select_field_type='multiple_select'")
+
+    change_table :custom_forms_plugin_fields do |t|
+      t.remove :select_fields_type
+    end
   end
 end
--
libgit2 0.21.2