diff --git a/app/controllers/administrateurs/procedures_controller.rb b/app/controllers/administrateurs/procedures_controller.rb
index 3a0baef4f..62718fc3d 100644
--- a/app/controllers/administrateurs/procedures_controller.rb
+++ b/app/controllers/administrateurs/procedures_controller.rb
@@ -410,7 +410,7 @@ module Administrateurs
     private
 
     def filter_procedures(filter)
-      procedures_result = Procedure.select(:id).joins(:procedures_zones).distinct.publiees_ou_closes
+      procedures_result = Procedure.select(:id).left_joins(:procedures_zones).distinct.publiees_ou_closes
       procedures_result = procedures_result.where(procedures_zones: { zone_id: filter.zone_ids }) if filter.zone_ids.present?
       procedures_result = procedures_result.where(aasm_state: filter.statuses) if filter.statuses.present?
       procedures_result = procedures_result.where("? = ANY(tags)", filter.tag) if filter.tag.present?
diff --git a/app/views/administrateurs/procedures/_detail.html.haml b/app/views/administrateurs/procedures/_detail.html.haml
index 2728ece46..2b4e15b4b 100644
--- a/app/views/administrateurs/procedures/_detail.html.haml
+++ b/app/views/administrateurs/procedures/_detail.html.haml
@@ -11,7 +11,7 @@
   %td= procedure.estimated_dossiers_count
   %td= procedure.administrateurs.count
   %td= t procedure.aasm_state, scope: 'activerecord.attributes.procedure.aasm_state'
-  %td= l(procedure.published_at, format: :message_date_without_time)
+  %td= l(procedure.published_at, format: :message_date_without_time) if procedure.published_at
   %td= link_to('Cloner', admin_procedure_clone_path(procedure.id, from_new_from_existing: true), 'data-method' => :put, class: 'fr-btn fr-btn--tertiary fr-btn--sm')
 
 
diff --git a/spec/controllers/administrateurs/procedures_controller_spec.rb b/spec/controllers/administrateurs/procedures_controller_spec.rb
index 23a598d84..b1f09c6da 100644
--- a/spec/controllers/administrateurs/procedures_controller_spec.rb
+++ b/spec/controllers/administrateurs/procedures_controller_spec.rb
@@ -132,6 +132,16 @@ describe Administrateurs::ProceduresController, type: :controller do
         expect(assigns(:procedures).any? { |p| p.id == procedure2.id }).to be_truthy
         expect(assigns(:procedures).any? { |p| p.id == procedure1.id }).to be_falsey
       end
+
+      context "without zones" do
+        let!(:procedure) { create(:procedure, :published, zones: []) }
+        subject { get :all }
+
+        it 'displays procedures without zones' do
+          subject
+          expect(assigns(:procedures).any? { |p| p.id == procedure.id }).to be_truthy
+        end
+      end
     end
 
     context 'for specific status' do