diff --git a/db/migrate/20150605151945_create_pd_regime_bags.rb b/db/migrate/20150605151945_create_pd_regime_bags.rb
index <HASH>..<HASH> 100644
--- a/db/migrate/20150605151945_create_pd_regime_bags.rb
+++ b/db/migrate/20150605151945_create_pd_regime_bags.rb
@@ -2,8 +2,8 @@ class CreatePDRegimeBags < ActiveRecord::Migration
   def change
     create_table :pd_regime_bags do |t|
       t.integer :pd_regime_id
-      t.integer :bag_type_id
-      t.integer :volume
+      t.integer :bag_type_id,  null: false
+      t.integer :volume,       null: false
       t.integer :per_week
       t.boolean :monday
       t.boolean :tuesday
Added null: false to pd_regime_bags migration required fields.