diff --git a/app/models/variant_override.rb b/app/models/variant_override.rb
index ad4369ea51..f090d7e7b9 100644
--- a/app/models/variant_override.rb
+++ b/app/models/variant_override.rb
@@ -1,3 +1,5 @@
+require 'spree/localized_number'
+
 class VariantOverride < ActiveRecord::Base
   extend Spree::LocalizedNumber
   include StockSettingsOverrideValidation