lib/stripe/api_operations/update.rb in stripe-1.8.4 vs lib/stripe/api_operations/update.rb in stripe-1.8.5

@@ -1,11 +1,12 @@
 module Stripe
   module APIOperations
     module Update
       def save
         if @unsaved_values.length > 0
-          values = {}
-          @unsaved_values.each { |k| values[k] = @values[k] }
+          values = @unsaved_values.reduce({}) do |h, k| 
+            h.update(k => @values[k].nil? ? '' : @values[k])
+          end
           values.delete(:id)
           response, api_key = Stripe.request(:post, url, @api_key, values)
           refresh_from(response, api_key)
         end
         self