diff --git a/app/models/validations/financial_validations.rb b/app/models/validations/financial_validations.rb
index 9b6236029..53e50a92f 100644
--- a/app/models/validations/financial_validations.rb
+++ b/app/models/validations/financial_validations.rb
@@ -153,7 +153,7 @@ module Validations::FinancialValidations
         org_name: record.managing_organisation.name,
         rent_period: record.form.get_question("period", record).label_from_value(record.period).downcase,
       )
-      record.errors.add :managing_organisation, :skip_bu_error, message: I18n.t(
+      record.errors.add :managing_organisation_id, :skip_bu_error, message: I18n.t(
         "validations.financial.rent_period.invalid_for_org.managing_org",
         org_name: record.managing_organisation.name,
         rent_period: record.form.get_question("period", record).label_from_value(record.period).downcase,
diff --git a/spec/models/validations/financial_validations_spec.rb b/spec/models/validations/financial_validations_spec.rb
index a96f895f3..a6eefa708 100644
--- a/spec/models/validations/financial_validations_spec.rb
+++ b/spec/models/validations/financial_validations_spec.rb
@@ -169,7 +169,7 @@ RSpec.describe Validations::FinancialValidations do
             org_name: user.organisation.name,
             rent_period: "every 4 weeks",
           ))
-        expect(record.errors["managing_organisation"])
+        expect(record.errors["managing_organisation_id"])
           .to include(match I18n.t(
             "validations.financial.rent_period.invalid_for_org.managing_org",
             org_name: user.organisation.name,
diff --git a/spec/services/bulk_upload/lettings/year2024/row_parser_spec.rb b/spec/services/bulk_upload/lettings/year2024/row_parser_spec.rb
index 89ab07e79..7cae5eeae 100644
--- a/spec/services/bulk_upload/lettings/year2024/row_parser_spec.rb
+++ b/spec/services/bulk_upload/lettings/year2024/row_parser_spec.rb
@@ -758,7 +758,7 @@ RSpec.describe BulkUpload::Lettings::Year2024::RowParser do
           it "does not add that error" do
             parser.valid?
 
-            expect(parser.log.errors.map(&:attribute).sort).to eql(%i[managing_organisation period])
+            expect(parser.log.errors.map(&:attribute).sort).to eql(%i[managing_organisation_id period])
             expect(parser.errors.map(&:attribute)).to eql(%i[field_123])
           end
         end