diff --git a/app/models/product.rb b/app/models/product.rb
index 9d74d19..d45e2a2 100644
--- a/app/models/product.rb
+++ b/app/models/product.rb
@@ -155,7 +155,7 @@ class Product < ActiveRecord::Base
   def qualifiers_list=(qualifiers)
     self.product_qualifiers.destroy_all
     qualifiers.each do |qualifier_id, certifier_id|
-      self.product_qualifiers.create(:qualifier_id => qualifier_id, :certifier_id => certifier_id)
+      self.product_qualifiers.create(:qualifier_id => qualifier_id, :certifier_id => certifier_id) if qualifier_id != 'nil'
     end
   end
 
diff --git a/app/views/manage_products/_edit_info.rhtml b/app/views/manage_products/_edit_info.rhtml
index 4a9f7b7..f074703 100644
--- a/app/views/manage_products/_edit_info.rhtml
+++ b/app/views/manage_products/_edit_info.rhtml
@@ -50,7 +50,7 @@
       _('Add new qualifier'),
       "new_qualifier_row('#product-qualifiers-list', '#{escape_javascript(select_qualifiers(@product))}')"
     ) %>
-    <%= hidden_field_tag "product[qualifiers_list]" %>
+    <%= hidden_field_tag "product[qualifiers_list][nil]" %>
   <% end %>
 
   <%= hidden_field_tag 'info-bar-update-url', @product.price_composition_bar_display_url, :class => 'bar-update-url' %>
--
libgit2 0.21.2