diff --git a/app/controllers/conference_registrations_controller.rb b/app/controllers/conference_registrations_controller.rb
index 34a1effd..fd4a2938 100644
--- a/app/controllers/conference_registrations_controller.rb
+++ b/app/controllers/conference_registrations_controller.rb
@@ -85,7 +85,7 @@ class ConferenceRegistrationsController < ApplicationController
   end
 
   def destroy
-    tickets_purchased = TicketPurchase.find_by(conference_id: @registration.conference_id)
+    tickets_purchased = TicketPurchase.where(conference_id: @registration.conference_id)
     if @registration.destroy
       if tickets_purchased
         tickets_purchased.destroy