diff --git a/rails/map-mash/db/migrate/20120304151123_create_maps.rb b/rails/map-mash/db/migrate/20120304151123_create_maps.rb
index 00e9da5..5e01f18 100644
--- a/rails/map-mash/db/migrate/20120304151123_create_maps.rb
+++ b/rails/map-mash/db/migrate/20120304151123_create_maps.rb
@@ -2,6 +2,7 @@ class CreateMaps < ActiveRecord::Migration
   def self.up
     create_table :maps do |t|
       t.string :name
+      t.string :unique_hash
 
       t.timestamps
     end
diff --git a/rails/map-mash/db/schema.rb b/rails/map-mash/db/schema.rb
index 0d8428b..53c776b 100644
--- a/rails/map-mash/db/schema.rb
+++ b/rails/map-mash/db/schema.rb
@@ -13,6 +13,7 @@ ActiveRecord::Schema.define(:version => 20120304164625) do
 
   create_table "maps", :force => true do |t|
     t.string   "name"
+    t.string   "unique_hash"
     t.datetime "created_at"
     t.datetime "updated_at"
   end