diff --git a/config/features.rb b/config/features.rb
index 79288b39f..e9eb6c48d 100644
--- a/config/features.rb
+++ b/config/features.rb
@@ -20,7 +20,8 @@ Flipflop.configure do
   feature :support_form
 
   feature :new_dossier_details,
-    title: "Nouvelle page « Dossier »"
+    title: "Nouvelle page « Dossier »",
+    default: true
 
   group :production do
     feature :remote_storage,
diff --git a/spec/controllers/new_user/dossiers_controller_spec.rb b/spec/controllers/new_user/dossiers_controller_spec.rb
index de694100a..c7c60bcc6 100644
--- a/spec/controllers/new_user/dossiers_controller_spec.rb
+++ b/spec/controllers/new_user/dossiers_controller_spec.rb
@@ -434,7 +434,7 @@ describe NewUser::DossiersController, type: :controller do
       it 'updates the champs' do
         subject
 
-        expect(response).to redirect_to(users_dossier_recapitulatif_path(dossier))
+        expect(response).to redirect_to(demande_dossier_path(dossier))
         expect(first_champ.reload.value).to eq('beautiful value')
         expect(dossier.reload.state).to eq(Dossier.states.fetch(:en_construction))
       end
@@ -490,7 +490,7 @@ describe NewUser::DossiersController, type: :controller do
       it 'does not raise any errors' do
         subject
 
-        expect(response).to redirect_to(users_dossier_recapitulatif_path(dossier))
+        expect(response).to redirect_to(demande_dossier_path(dossier))
       end
     end
 
@@ -505,7 +505,7 @@ describe NewUser::DossiersController, type: :controller do
 
       it { expect(first_champ.reload.value).to eq('beautiful value') }
       it { expect(dossier.reload.state).to eq(Dossier.states.fetch(:en_construction)) }
-      it { expect(response).to redirect_to(users_dossiers_invite_path(invite)) }
+      it { expect(response).to redirect_to(demande_dossier_path(dossier)) }
     end
   end
 
diff --git a/spec/controllers/users/dossiers/invites_controller_spec.rb b/spec/controllers/users/dossiers/invites_controller_spec.rb
index ba23279b7..38ec5d6d2 100644
--- a/spec/controllers/users/dossiers/invites_controller_spec.rb
+++ b/spec/controllers/users/dossiers/invites_controller_spec.rb
@@ -16,7 +16,7 @@ describe Users::Dossiers::InvitesController, type: :controller do
       context 'and user is connected' do
         let(:invite) { create :invite, dossier: dossier, user: user }
         before { sign_in invite.user }
-        it { is_expected.to have_http_status(:ok) }
+        it { is_expected.to redirect_to(dossier_path(dossier)) }
       end
     end
 
@@ -54,23 +54,17 @@ describe Users::Dossiers::InvitesController, type: :controller do
 
       context 'and dossier is a brouillon' do
         let(:dossier) { create :dossier, state: Dossier.states.fetch(:brouillon) }
-
-        it { is_expected.to have_http_status(302) }
         it { is_expected.to redirect_to brouillon_dossier_path(dossier) }
       end
 
       context 'and dossier is not a brouillon' do
         let(:dossier) { create :dossier, :en_construction }
-
-        it { is_expected.to have_http_status(:ok) }
-        it { is_expected.to render_template('users/recapitulatif/show') }
+        it { is_expected.to redirect_to(dossier_path(dossier)) }
       end
     end
 
     context 'when invitation ID is not attached at the user email account' do
       let(:email) { 'fake@email.com' }
-
-      it { is_expected.to have_http_status(302) }
       it { is_expected.to redirect_to dossiers_path }
       it { expect(flash[:alert]).to be_present }
     end
diff --git a/spec/controllers/users/recapitulatif_controller_spec.rb b/spec/controllers/users/recapitulatif_controller_spec.rb
index ee1844f12..483c34bba 100644
--- a/spec/controllers/users/recapitulatif_controller_spec.rb
+++ b/spec/controllers/users/recapitulatif_controller_spec.rb
@@ -11,7 +11,7 @@ describe Users::RecapitulatifController, type: :controller do
   describe 'GET #show' do
     it 'returns http success' do
       get :show, params: { dossier_id: dossier.id }
-      expect(response).to have_http_status(:success)
+      expect(response).to redirect_to(dossier_path(dossier))
     end
 
     it 'redirection vers siret si mauvais dossier ID' do
diff --git a/spec/features/new_user/invite_spec.rb b/spec/features/new_user/invite_spec.rb
index cdbb5d14c..70d3614f3 100644
--- a/spec/features/new_user/invite_spec.rb
+++ b/spec/features/new_user/invite_spec.rb
@@ -104,6 +104,10 @@ feature 'Invitations' do
   context 'when the dossier is en_construction (legacy UI)' do
     let!(:dossier) { create(:dossier, :for_individual, :en_construction, user: owner, procedure: procedure) }
 
+    before do
+      Flipflop::FeatureSet.current.test!.switch!(:new_dossier_details, false)
+    end
+
     scenario 'on dossier details, a user can invite another user to collaborate on the dossier', js: true do
       log_in(owner)
       navigate_to_recapitulatif(dossier)
diff --git a/spec/features/new_user/list_dossiers_spec.rb b/spec/features/new_user/list_dossiers_spec.rb
index b3c7cc9d7..999aef5d6 100644
--- a/spec/features/new_user/list_dossiers_spec.rb
+++ b/spec/features/new_user/list_dossiers_spec.rb
@@ -48,7 +48,7 @@ describe 'user access to the list of his dossier' do
       page.click_on(dossier1.procedure.libelle)
     end
     scenario 'user is redirected to dossier page' do
-      expect(page).to have_css('#users-recapitulatif-dossier-show')
+      expect(page).to have_current_path(dossier_path(dossier1))
     end
   end
 
@@ -93,7 +93,7 @@ describe 'user access to the list of his dossier' do
       end
 
       it "redirects to the dossier page" do
-        expect(current_path).to eq(users_dossier_recapitulatif_path(dossier1))
+        expect(current_path).to eq(dossier_path(dossier1))
       end
     end
   end
diff --git a/spec/features/users/flux_de_commentaires_spec.rb b/spec/features/users/flux_de_commentaires_spec.rb
index d6072e788..12b7ec552 100644
--- a/spec/features/users/flux_de_commentaires_spec.rb
+++ b/spec/features/users/flux_de_commentaires_spec.rb
@@ -14,6 +14,7 @@ feature 'users: flux de commentaires' do
   let!(:commentaire4) { create(:commentaire, dossier: dossier, champ: champ1) }
 
   before do
+    Flipflop::FeatureSet.current.test!.switch!(:new_dossier_details, false)
     login_as user, scope: :user
     visit users_dossier_recapitulatif_path(dossier)
   end
diff --git a/spec/helpers/dossier_helper_spec.rb b/spec/helpers/dossier_helper_spec.rb
index 56330c487..d2d3de31d 100644
--- a/spec/helpers/dossier_helper_spec.rb
+++ b/spec/helpers/dossier_helper_spec.rb
@@ -36,7 +36,7 @@ RSpec.describe DossierHelper, type: :helper do
 
     context "when the dossier is any other state" do
       let(:dossier) { create(:dossier, state: Dossier.states.fetch(:en_construction)) }
-      it { is_expected.to eq "/users/dossiers/#{dossier.id}/recapitulatif" }
+      it { is_expected.to eq "/dossiers/#{dossier.id}" }
     end
   end
 
diff --git a/spec/views/new_user/dossiers/index.html.haml_spec.rb b/spec/views/new_user/dossiers/index.html.haml_spec.rb
index f2b0bebc5..e8430093f 100644
--- a/spec/views/new_user/dossiers/index.html.haml_spec.rb
+++ b/spec/views/new_user/dossiers/index.html.haml_spec.rb
@@ -30,7 +30,7 @@ describe 'new_user/dossiers/index.html.haml', type: :view do
 
     expect(rendered).to have_text(dossier_en_construction.id)
     expect(rendered).to have_text(dossier_en_construction.procedure.libelle)
-    expect(rendered).to have_link(dossier_en_construction.id, href: users_dossier_recapitulatif_path(dossier_en_construction))
+    expect(rendered).to have_link(dossier_en_construction.id, href: dossier_path(dossier_en_construction))
   end
 
   context 'quand il n’y a aucun dossier' do