diff --git a/app/models/product.rb b/app/models/product.rb
index e8affa7..aca6251 100644
--- a/app/models/product.rb
+++ b/app/models/product.rb
@@ -1,6 +1,7 @@
 class Product < ActiveRecord::Base
   belongs_to :enterprise
   has_one :region, :through => :enterprise
+  validates_presence_of :enterprise
 
   belongs_to :product_category
 
diff --git a/test/unit/product_test.rb b/test/unit/product_test.rb
index 5bd67a8..7ce4821 100644
--- a/test/unit/product_test.rb
+++ b/test/unit/product_test.rb
@@ -200,7 +200,7 @@ class ProductTest < ActiveSupport::TestCase
   end
 
   should 'use name of category when has no name yet' do
-    product = Product.new(:product_category => @product_category)
+    product = Product.new(:product_category => @product_category, :enterprise_id => @profile.id)
     assert product.valid?
     assert_equal product.name, @product_category.name
   end
@@ -331,7 +331,7 @@ class ProductTest < ActiveSupport::TestCase
     p1 = Product.create!(:name => 'some thing', :product_category => @product_category, :enterprise_id => @profile.id)
     assert_equal Product.find_by_contents('thing')[:results], [p1]
     uses_postgresql 'schema_two'
-    p2 = Product.create!(:name => 'another thing', :product_category => @product_category)
+    p2 = Product.create!(:name => 'another thing', :product_category => @product_category, :enterprise_id => @profile.id)
     assert_not_includes Product.find_by_contents('thing')[:results], p1
     assert_includes Product.find_by_contents('thing')[:results], p2
     uses_postgresql 'schema_one'
--
libgit2 0.21.2