diff --git a/ruby/lib/jam_ruby/models/lesson_booking.rb b/ruby/lib/jam_ruby/models/lesson_booking.rb
index 39e2fdfd1..5e1dd75f5 100644
--- a/ruby/lib/jam_ruby/models/lesson_booking.rb
+++ b/ruby/lib/jam_ruby/models/lesson_booking.rb
@@ -664,7 +664,7 @@ module JamRuby
 
         else
           previous_purchase.total_roll_forward_amount_in_cents = 0
-          previous_purchase.applied_roll_forward_amount_in_cents = 0
+          #previous_purchase.applied_roll_forward_amount_in_cents = 0
         end
 
         previous_purchase.save