diff --git a/app/models/article_price.rb b/app/models/article_price.rb
index 0b83416d..437fdbc1 100644
--- a/app/models/article_price.rb
+++ b/app/models/article_price.rb
@@ -15,6 +15,8 @@ class ArticlePrice < ActiveRecord::Base
 
   belongs_to :article
   has_many :order_articles
+
+  validates_presence_of :price, :tax, :deposit, :unit_quantity
   
   # Custom attribute setter that accepts decimal numbers using localized decimal separator.
   def price=(price)