diff --git a/spec/models/form/sales/pages/property_building_type_spec.rb b/spec/models/form/sales/pages/property_building_type_spec.rb
index f1c2999e6..b9c6bddca 100644
--- a/spec/models/form/sales/pages/property_building_type_spec.rb
+++ b/spec/models/form/sales/pages/property_building_type_spec.rb
@@ -5,7 +5,7 @@ RSpec.describe Form::Sales::Pages::PropertyBuildingType, type: :model do
 
   let(:page_id) { nil }
   let(:page_definition) { nil }
-  let(:form) { instance_double(Form) }
+  let(:form) { instance_double(Form, start_date: Time.zone.local(2024, 4, 1)) }
   let(:subsection) { instance_double(Form::Subsection, enabled?: true, form:) }
 
   it "has correct subsection" do