diff --git a/app/helpers.php b/app/helpers.php
index 49f6ade..2e12c56 100644
--- a/app/helpers.php
+++ b/app/helpers.php
@@ -27,7 +27,7 @@ class CheckoutBidderSelectList
   {
       $checkout_bidder_num_results = Checkout::with('bidders')
                                               ->get();
-      $checkout_bidder_num_results = $checkout_bidder_num_results->sortBy('bidder_assigned_number');
+      $checkout_bidder_num_results = $checkout_bidder_num_results->bidders->sortBy('bidder_assigned_number');
       $checkout_bidder_num = '<option disabled selected hidden value="">choose...</option>';
       foreach($checkout_bidder_num_results as $checkout_bidder_num_result){
         $checkout_bidder_num .= '<option value="' . $checkout_bidder_num_result->bidders->idbidders . '">' . $checkout_bidder_num_result->bidders->bidder_assigned_number . ' - ' . $checkout_bidder_num_result->bidders->bidder_fname . ' ' . $checkout_bidder_num_result->bidders->bidder_lname .'</option>';