diff --git a/spec/services/bulk_upload/sales/year2026/row_parser_spec.rb b/spec/services/bulk_upload/sales/year2026/row_parser_spec.rb
index a70bc1f31..3547eb240 100644
--- a/spec/services/bulk_upload/sales/year2026/row_parser_spec.rb
+++ b/spec/services/bulk_upload/sales/year2026/row_parser_spec.rb
@@ -295,7 +295,7 @@ RSpec.describe BulkUpload::Sales::Year2026::RowParser do
         end
 
         context "and case insensitive fields are set to lowercase" do
-          let(:case_insensitive_fields) { %w[field_122 field_123 field_124 field_125 field_126 field_127] }
+          let(:case_insensitive_fields) { %w[field_29 field_36 field_44 field_48 field_52 field_56] }
           let(:case_insensitive_integer_fields_with_r_option) { %w[field_28 field_35 field_43 field_47 field_51 field_55 field_64 field_75 field_70 field_72] }
           let(:attributes) do
             valid_attributes