diff --git a/app/services/bulk_upload/sales/validator.rb b/app/services/bulk_upload/sales/validator.rb
index c26d8d1ca..7b1dbd48e 100644
--- a/app/services/bulk_upload/sales/validator.rb
+++ b/app/services/bulk_upload/sales/validator.rb
@@ -167,7 +167,7 @@ private
 
     column_count = rows.map(&:size).max
 
-    errors.add(:base, I18n.t("validations.sales.#{@bulk_upload.year}.bulk_upload.wrong_template.over_max_column_count")) if column_count > csv_parser.class::MAX_COLUMNS
+    errors.add(:base, I18n.t("validations.sales.#{@bulk_upload.year}.bulk_upload.wrong_template.over_max_column_count")) if column_count > csv_parser.class::FIELDS + 1
   end
 
   def validate_correct_template
diff --git a/app/services/bulk_upload/sales/year2026/csv_parser.rb b/app/services/bulk_upload/sales/year2026/csv_parser.rb
index e6a6fa9c0..78e467807 100644
--- a/app/services/bulk_upload/sales/year2026/csv_parser.rb
+++ b/app/services/bulk_upload/sales/year2026/csv_parser.rb
@@ -5,7 +5,6 @@ class BulkUpload::Sales::Year2026::CsvParser
 
   # TODO: CLDC-4162: Update when 2026 format is known
   FIELDS = 127
-  MAX_COLUMNS = FIELDS + 1
   FORM_YEAR = 2026
 
   attr_reader :path