diff --git a/spec/models/sales_log_spec.rb b/spec/models/sales_log_spec.rb
index 9c6810963..1385109dd 100644
--- a/spec/models/sales_log_spec.rb
+++ b/spec/models/sales_log_spec.rb
@@ -69,6 +69,7 @@ RSpec.describe SalesLog, type: :model do
         expect(sales_log.optional_fields).to eq(%w[
           purchid
           othtype
+          buyers_organisations
           proplen
           mortlen
           frombeds
@@ -83,6 +84,7 @@ RSpec.describe SalesLog, type: :model do
         expect(sales_log.optional_fields).to eq(%w[
           purchid
           othtype
+          buyers_organisations
           address_line2
           county
           postcode_full