diff --git a/spec/controllers/admin/events_controller_spec.rb b/spec/controllers/admin/events_controller_spec.rb
index a413ba7a..682defce 100644
--- a/spec/controllers/admin/events_controller_spec.rb
+++ b/spec/controllers/admin/events_controller_spec.rb
@@ -4,9 +4,13 @@ describe Admin::EventsController do
   let(:conference) { create(:conference) }
   let(:organizer_role) { Role.find_by(name: 'organizer', resource: conference) }
   let(:organizer) { create(:user, role_ids: organizer_role.id) }
-  let!(:event_without_commercial) { create(:event, program: conference.program) }
-  let!(:event_with_commercial) { create(:event, program: conference.program) }
-  let!(:event_commercial) { create(:event_commercial, commercialable: event_with_commercial, url: 'https://www.youtube.com/watch?v=M9bq_alk-sw') }
+  # The where_object() and where_object_changes() methods of paper_trail gem are broken when having:
+  # an Event with ID 1, an Event with ID 2, and a commercial with ID 1, for event with ID 2
+  # (the numbers could be different as long as there is this matching of IDs).
+  # We implemented or own where method to solve this and those ids are for testing this case.
+  let!(:event_without_commercial) { create(:event, id: 1, program: conference.program) }
+  let!(:event_with_commercial) { create(:event, id: 2, program: conference.program) }
+  let!(:event_commercial) { create(:event_commercial, id: 1, commercialable: event_with_commercial, url: 'https://www.youtube.com/watch?v=M9bq_alk-sw') }
 
   with_versioning do
     describe 'GET #show' do
@@ -17,8 +21,6 @@ describe Admin::EventsController do
 
       it 'assigns versions' do
         versions = event_without_commercial.versions
-        expect(event_without_commercial.id).to eq event_commercial.id
-        expect(event_commercial.id).not_to eq event_commercial.commercialable_id
         expect(assigns(:versions)).to eq versions
       end
     end
diff --git a/spec/features/versions_spec.rb b/spec/features/versions_spec.rb
index ff73eee0..90c0fa35 100644
--- a/spec/features/versions_spec.rb
+++ b/spec/features/versions_spec.rb
@@ -286,8 +286,6 @@ feature 'Version' do
     expect(page).to have_text('Someone (probably via the console) created new commercial')
     visit admin_conference_program_event_path(conference.short_title, event_without_commercial)
     click_link 'History'
-    expect(event_commercial.id).not_to eq event_commercial.commercialable_id
-    expect(event_without_commercial.id).to eq event_commercial.id
     expect(page).to have_no_text('Someone (probably via the console) created new commercial')
   end