diff --git a/plugins/custom_forms/db/migrate/20131107050913_add_position_to_field_and_alternatives.rb b/plugins/custom_forms/db/migrate/20131107050913_add_position_to_field_and_alternatives.rb
index 0d8c030..8b86419 100644
--- a/plugins/custom_forms/db/migrate/20131107050913_add_position_to_field_and_alternatives.rb
+++ b/plugins/custom_forms/db/migrate/20131107050913_add_position_to_field_and_alternatives.rb
@@ -4,15 +4,9 @@ class AddPositionToFieldAndAlternatives < ActiveRecord::Migration
       t.integer :position, :default => 0
     end
 
-    CustomFormsPlugin::Field.find_each do |f|
-      f.position = f.id
-      f.save!
-    end
+    update("UPDATE custom_forms_plugin_fields SET position=id")
+    update("UPDATE custom_forms_plugin_alternatives SET position=id")
 
-    CustomFormsPlugin::Alternative.find_each do |f|
-      f.position = f.id
-      f.save!
-    end
   end
 
   def self.down
--
libgit2 0.21.2