diff --git a/app/controllers/instructeurs/dossiers_controller.rb b/app/controllers/instructeurs/dossiers_controller.rb
index 1f9bc3dd9..9b584536f 100644
--- a/app/controllers/instructeurs/dossiers_controller.rb
+++ b/app/controllers/instructeurs/dossiers_controller.rb
@@ -134,6 +134,9 @@ module Instructeurs
 
     def repasser_en_instruction
       begin
+        if dossier.hidden_by_user_at.present?
+          dossier.update!(hidden_by_user_at: nil)
+        end
         flash.notice = "Le dossier #{dossier.id} a été repassé en instruction."
         dossier.repasser_en_instruction!(current_instructeur)
       rescue AASM::InvalidTransition => e
diff --git a/spec/controllers/instructeurs/dossiers_controller_spec.rb b/spec/controllers/instructeurs/dossiers_controller_spec.rb
index 6c7a8720e..49c51606a 100644
--- a/spec/controllers/instructeurs/dossiers_controller_spec.rb
+++ b/spec/controllers/instructeurs/dossiers_controller_spec.rb
@@ -160,20 +160,29 @@ describe Instructeurs::DossiersController, type: :controller do
     let(:dossier) { create(:dossier, :refuse, procedure: procedure) }
     let(:current_user) { instructeur.user }
 
-    before do
-      sign_in current_user
+    subject do
       post :repasser_en_instruction,
-        params: { procedure_id: procedure.id, dossier_id: dossier.id },
-        format: 'js'
+      params: { procedure_id: procedure.id, dossier_id: dossier.id },
+      format: 'js'
     end
 
-    it { expect(dossier.reload.state).to eq(Dossier.states.fetch(:en_instruction)) }
-    it { expect(response).to have_http_status(:ok) }
-    it { expect(response.body).to include('.header-actions') }
+    before do
+      sign_in current_user
+    end
+
+    context 'when the dossier is refuse' do
+      before { subject }
+
+      it { expect(dossier.reload.state).to eq(Dossier.states.fetch(:en_instruction)) }
+      it { expect(response).to have_http_status(:ok) }
+      it { expect(response.body).to include('.header-actions') }
+    end
 
     context 'when the dossier has already been put en_instruction' do
       let(:dossier) { create(:dossier, :en_instruction, procedure: procedure) }
 
+      before { subject }
+
       it 'warns about the error' do
         expect(dossier.reload.state).to eq(Dossier.states.fetch(:en_instruction))
         expect(response).to have_http_status(:ok)
@@ -184,11 +193,27 @@ describe Instructeurs::DossiersController, type: :controller do
     context 'when the dossier is accepte' do
       let(:dossier) { create(:dossier, :accepte, procedure: procedure) }
 
+      before { subject }
+
       it 'it is possible to go back to en_instruction as instructeur' do
         expect(dossier.reload.state).to eq(Dossier.states.fetch(:en_instruction))
         expect(response).to have_http_status(:ok)
       end
     end
+
+    context 'when the dossier is done and the user delete it' do
+      let!(:dossier) { create(:dossier, :accepte, procedure: procedure, user: current_user) }
+
+      before do
+        dossier.update!(hidden_by_user_at: Time.zone.now)
+        subject
+      end
+
+      it 'reveals the dossier' do
+        expect(dossier.reload.state).to eq(Dossier.states.fetch(:en_instruction))
+        expect(dossier.reload.hidden_by_user_at).to be_nil
+      end
+    end
   end
 
   describe '#terminer' do
diff --git a/spec/controllers/users/dossiers_controller_spec.rb b/spec/controllers/users/dossiers_controller_spec.rb
index b9a60f226..9b7517f44 100644
--- a/spec/controllers/users/dossiers_controller_spec.rb
+++ b/spec/controllers/users/dossiers_controller_spec.rb
@@ -850,6 +850,16 @@ describe Users::DossiersController, type: :controller do
         end
         it { expect(assigns(:statut)).to eq('en-cours') }
       end
+
+      context 'when the instructeur archive the dossier' do
+        before do
+          own_dossier2.update!(archived: true)
+          get(:index, params: { statut: 'en-cours' })
+        end
+        it { expect(assigns(:statut)).to eq('en-cours') }
+        it { expect(assigns(:dossiers_traites).map(&:id)).to eq([own_dossier2.id]) }
+        it { expect(own_dossier2.archived).to be_truthy }
+      end
     end
 
     describe 'sort order' do