diff --git a/app/assets/javascripts/old_design/admin_procedures_modal.js b/app/assets/javascripts/old_design/admin_procedures_modal.js
index 1d4c569e3..5a013cb53 100644
--- a/app/assets/javascripts/old_design/admin_procedures_modal.js
+++ b/app/assets/javascripts/old_design/admin_procedures_modal.js
@@ -64,10 +64,7 @@ function validatePath(path) {
 }
 
 function path_type_init() {
-  $(PROCEDURE_PATH_SELECTOR).bind('autocomplete:select', function(
-    ev,
-    suggestion
-  ) {
-    togglePathMessage(true, suggestion['mine']);
+  $(PROCEDURE_PATH_SELECTOR).on('autocomplete:select', function(event) {
+    togglePathMessage(true, event.detail['mine']);
   });
 }
diff --git a/app/controllers/admin/procedures_controller.rb b/app/controllers/admin/procedures_controller.rb
index 5bcc245da..5002e4cc2 100644
--- a/app/controllers/admin/procedures_controller.rb
+++ b/app/controllers/admin/procedures_controller.rb
@@ -40,8 +40,7 @@ class Admin::ProceduresController < AdminController
 
   def edit
     @path = @procedure.path || @procedure.default_path
-    @available = @procedure.path_available?(@path)
-    @mine = @procedure.path_mine?(@path)
+    @availability = @procedure.path_availability(@path)
   end
 
   def destroy
@@ -60,8 +59,7 @@ class Admin::ProceduresController < AdminController
   def new
     @procedure ||= Procedure.new
     @procedure.module_api_carto ||= ModuleAPICarto.new
-    @available = true
-    @mine = true
+    @availability = Procedure::PATH_AVAILABLE
   end
 
   def create
@@ -72,32 +70,35 @@ class Admin::ProceduresController < AdminController
     end
 
     @path = @procedure.path
-    @available = !Procedure.exists?(path: @path)
-    @mine = Procedure.path_mine?(current_administrateur, @path)
+    @availability = Procedure.path_availability(current_administrateur, @procedure.path)
 
     if !@procedure.save
       flash.now.alert = @procedure.errors.full_messages
-      return render 'new'
+      render 'new'
     else
       flash.notice = 'Démarche enregistrée.'
+      redirect_to admin_procedure_types_de_champ_path(procedure_id: @procedure.id)
     end
-
-    redirect_to admin_procedure_types_de_champ_path(procedure_id: @procedure.id)
   end
 
   def update
     @procedure = current_administrateur.procedures.find(params[:id])
 
     if !@procedure.update(procedure_params)
-      flash.alert = @procedure.errors.full_messages
+      flash.now.alert = @procedure.errors.full_messages
+      @path = procedure_params[:path]
+      if @path.present?
+        @availability = @procedure.path_availability(@path)
+      end
+      render 'edit'
     elsif Flipflop.publish_draft? && @procedure.brouillon?
       reset_procedure
       flash.notice = 'Démarche modifiée. Tous les dossiers de cette démarche ont été supprimés.'
+      redirect_to edit_admin_procedure_path(id: @procedure.id)
     else
       flash.notice = 'Démarche modifiée.'
+      redirect_to edit_admin_procedure_path(id: @procedure.id)
     end
-
-    redirect_to edit_admin_procedure_path(id: @procedure.id)
   end
 
   def publish
@@ -225,11 +226,9 @@ class Admin::ProceduresController < AdminController
 
     if procedure_id.present?
       procedure = current_administrateur.procedures.find(procedure_id)
-      @available = procedure.path_available?(path)
-      @mine = procedure.path_mine?(path)
+      @availability = procedure.path_availability(path)
     else
-      @available = !Procedure.exists?(path: path)
-      @mine = Procedure.path_mine?(current_administrateur, path)
+      @availability = Procedure.path_availability(current_administrateur, path)
     end
   end
 
diff --git a/app/models/procedure.rb b/app/models/procedure.rb
index 545947c46..ae429b517 100644
--- a/app/models/procedure.rb
+++ b/app/models/procedure.rb
@@ -306,16 +306,34 @@ class Procedure < ApplicationRecord
     mean_time(:en_instruction_at, :processed_at)
   end
 
-  def path_available?(path)
-    !Procedure.where.not(id: id).exists?(path: path)
+  PATH_AVAILABLE = :available
+  PATH_AVAILABLE_PUBLIEE = :available_publiee
+  PATH_NOT_AVAILABLE = :not_available
+  PATH_NOT_AVAILABLE_BROUILLON = :not_available_brouillon
+  PATH_CAN_PUBLISH = [PATH_AVAILABLE, PATH_AVAILABLE_PUBLIEE]
+
+  def path_availability(path)
+    Procedure.path_availability(administrateur, path, id)
   end
 
-  def path_mine?(path)
-    Procedure.path_mine?(administrateur, path)
-  end
+  def self.path_availability(administrateur, path, exclude_id = nil)
+    if exclude_id.present?
+      procedure = where.not(id: exclude_id).find_by(path: path)
+    else
+      procedure = find_by(path: path)
+    end
 
-  def self.path_mine?(administrateur, path)
-    where(administrateur: administrateur).exists?(path: path)
+    if procedure.blank?
+      PATH_AVAILABLE
+    elsif administrateur.owns?(procedure)
+      if procedure.brouillon?
+        PATH_NOT_AVAILABLE_BROUILLON
+      else
+        PATH_AVAILABLE_PUBLIEE
+      end
+    else
+      PATH_NOT_AVAILABLE
+    end
   end
 
   def self.find_with_path(path)
@@ -335,7 +353,7 @@ class Procedure < ApplicationRecord
   end
 
   def can_publish?(path)
-    path_available?(path) || path_mine?(path)
+    path_availability(path).in?(PATH_CAN_PUBLISH)
   end
 
   def after_publish(path)
diff --git a/app/views/admin/procedures/_informations.html.haml b/app/views/admin/procedures/_informations.html.haml
index 77b53632d..61fe6c136 100644
--- a/app/views/admin/procedures/_informations.html.haml
+++ b/app/views/admin/procedures/_informations.html.haml
@@ -19,8 +19,8 @@
           = commencer_test_url(path: '')
         = f.text_field :path, value: @path, class: 'form-control', data: { remote: true, debounce: true, url: admin_procedures_available_path, params: { id: @procedure.id }.to_query(:procedure) }
       %p.unavailable-path-message.text-warning
-        - if !@available
-          = render partial: 'unavailable', locals: { mine: @mine }
+        - if @availability != Procedure::PATH_AVAILABLE
+          = render partial: 'unavailable', locals: { availability: @availability }
       %p.help-block
         %i.fa.fa-info-circle
         Afin de faciliter l’accès à la démarche, vous êtes invité à personnaliser l’adresse d'accès public. C'est ce lien qu'il va falloir communiquer aux usagers souhaitant faire la démarche.
diff --git a/app/views/admin/procedures/_modal_publish.html.haml b/app/views/admin/procedures/_modal_publish.html.haml
index 0508ff880..686da7c15 100644
--- a/app/views/admin/procedures/_modal_publish.html.haml
+++ b/app/views/admin/procedures/_modal_publish.html.haml
@@ -41,7 +41,8 @@
                 %br
                 Vous ne pouvez pas l’utiliser car il appartient à un autre administrateur.
               #path_is_invalid.text-danger.center.message
-                = t('activerecord.errors.models.procedure.attributes.path.format')
+                Ce lien
+                = t('activerecord.errors.models.procedure.attributes.path.invalid')
         .modal-footer
           = submit_tag procedure_modal_text(@procedure, :submit), class: %w(btn btn btn-success), disabled: :disabled, id: 'publish'
           = button_tag "Annuler", class: %w(btn btn btn-default), data: { dismiss: :modal }, id: 'cancel'
diff --git a/app/views/admin/procedures/_unavailable.html.haml b/app/views/admin/procedures/_unavailable.html.haml
index bb11886f2..fd285d23a 100644
--- a/app/views/admin/procedures/_unavailable.html.haml
+++ b/app/views/admin/procedures/_unavailable.html.haml
@@ -1,8 +1,11 @@
-- if mine
+- case availability
+- when Procedure::PATH_AVAILABLE_PUBLIEE
   Ce lien est déjà utilisé par une de vos démarche.
   %br
-  Si vous voulez l’utiliser, l’ancienne démarche sera archivée lors de la publication de la démarche (plus accessible du public).
-- else
+    Si vous voulez l’utiliser, l’ancienne démarche sera archivée lors de la publication de la démarche (plus accessible du public).
+- when Procedure::PATH_NOT_AVAILABLE_BROUILLON
+  Un brouillon de démarche existe déjà avec ce lien.
+- when Procedure::PATH_NOT_AVAILABLE
   Ce lien est déjà utilisé par une démarche.
   %br
   Vous ne pouvez pas l’utiliser car il appartient à un autre administrateur.
diff --git a/app/views/admin/procedures/check_availability.js.erb b/app/views/admin/procedures/check_availability.js.erb
index 91c9a76ba..f5eed5960 100644
--- a/app/views/admin/procedures/check_availability.js.erb
+++ b/app/views/admin/procedures/check_availability.js.erb
@@ -1,11 +1,11 @@
-<% if @available %>
+<% if @availability == Procedure::PATH_AVAILABLE %>
   <%= remove_element('.unavailable-path-message', inner: true) %>
+<% else %>
+  <%= render_to_element('.unavailable-path-message', partial: 'unavailable', locals: { availability: @availability }) %>
+<% end %>
+
+<% if @availability.in?(Procedure::PATH_CAN_PUBLISH) %>
   <%= enable_element('button[type=submit]') %>
 <% else %>
-  <%= render_to_element('.unavailable-path-message', partial: 'unavailable', locals: { mine: @mine }) %>
-  <% if @mine %>
-    <%= enable_element('button[type=submit]') %>
-  <% else %>
-    <%= disable_element('button[type=submit]') %>
-  <% end %>
+  <%= disable_element('button[type=submit]') %>
 <% end %>
diff --git a/app/views/admin/procedures/edit.html.haml b/app/views/admin/procedures/edit.html.haml
index 17bb396b8..1eb571224 100644
--- a/app/views/admin/procedures/edit.html.haml
+++ b/app/views/admin/procedures/edit.html.haml
@@ -3,7 +3,7 @@
     = form_for @procedure, url: url_for({ controller: 'admin/procedures', action: :update, id: @procedure.id }), multipart: true do |f|
       = render partial: 'informations', locals: { f: f }
       .text-right
-        - if !Flipflop.publish_draft? || (@available || @mine)
+        - if !Flipflop.publish_draft? || @availability.in?(Procedure::PATH_CAN_PUBLISH)
           = f.button 'Enregistrer', class: 'btn btn-success'
         - else
           = f.button 'Enregistrer', class: 'btn btn-success', disabled: true
diff --git a/app/views/admin/procedures/new.html.haml b/app/views/admin/procedures/new.html.haml
index bb05ef17a..8451872a9 100644
--- a/app/views/admin/procedures/new.html.haml
+++ b/app/views/admin/procedures/new.html.haml
@@ -6,7 +6,7 @@
     = form_for @procedure, url: { controller: 'admin/procedures', action: :create }, multipart: true do |f|
       = render partial: 'informations', locals: { f: f }
       .text-right
-        - if !Flipflop.publish_draft? || (@available || @mine)
+        - if !Flipflop.publish_draft? || @availability.in?(Procedure::PATH_CAN_PUBLISH)
           = f.button 'Valider', class: 'btn btn-info', id: 'save-procedure'
         - else
           = f.button 'Valider', class: 'btn btn-info', id: 'save-procedure', disabled: true
diff --git a/app/views/layouts/left_panels/_left_panel_admin_procedurescontroller_update.html.haml b/app/views/layouts/left_panels/_left_panel_admin_procedurescontroller_update.html.haml
new file mode 100644
index 000000000..43587373d
--- /dev/null
+++ b/app/views/layouts/left_panels/_left_panel_admin_procedurescontroller_update.html.haml
@@ -0,0 +1 @@
+= render partial: 'layouts/left_panels/left_panel_admin_procedurescontroller_navbar', locals: { active: 'Description' }
diff --git a/config/locales/fr.yml b/config/locales/fr.yml
index 72651c3bd..d7dd009c0 100644
--- a/config/locales/fr.yml
+++ b/config/locales/fr.yml
@@ -156,6 +156,10 @@ fr:
               taken: déjà utilisé
             password:
               too_short: 'est trop court'
+        procedure:
+          attributes:
+            path:
+              invalid: n'est pas valide. Il doit comporter au moins 3 caractères, au plus 50 caractères et seuls les caractères a-z, 0-9, '_' et '-' sont autorisés.
 
   errors:
     messages:
diff --git a/config/locales/models/procedure/fr.yml b/config/locales/models/procedure/fr.yml
index 662acf604..530bcc43d 100644
--- a/config/locales/models/procedure/fr.yml
+++ b/config/locales/models/procedure/fr.yml
@@ -2,13 +2,7 @@ fr:
   activerecord:
     attributes:
       procedure:
-        path: Lien
+        path: Lien public
         organisation: Organisme
         duree_conservation_dossiers_dans_ds: Durée de conservation des dossiers sur demarches-simplifiees.fr
         duree_conservation_dossiers_hors_ds: Durée de conservation des dossiers hors demarches-simplifiees.fr
-    errors:
-      models:
-        procedure:
-          attributes:
-            path:
-              format: Ce lien n'est pas valide. Il doit comporter au moins 3 caractères, au plus 50 caractères et seuls les caractères a-z, 0-9, '_' et '-' sont autorisés.
diff --git a/spec/controllers/admin/procedures_controller_spec.rb b/spec/controllers/admin/procedures_controller_spec.rb
index 1f01f11b4..c1ff613e4 100644
--- a/spec/controllers/admin/procedures_controller_spec.rb
+++ b/spec/controllers/admin/procedures_controller_spec.rb
@@ -735,10 +735,19 @@ describe Admin::ProceduresController, type: :controller do
       it { expect(response.body).to include("innerHTML = ''") }
     end
 
-    context 'my path' do
+    context 'my path (brouillon)' do
       let(:procedure_owned) { create(:procedure, :with_path, administrateur: admin) }
       let(:path) { procedure_owned.path }
 
+      it {
+        expect(response.body).to include('Un brouillon de démarche existe déjà avec ce lien.')
+      }
+    end
+
+    context 'my path' do
+      let(:procedure_owned) { create(:procedure, :published, administrateur: admin) }
+      let(:path) { procedure_owned.path }
+
       it {
         expect(response.body).to include('Ce lien est déjà utilisé par une de vos démarche.')
         expect(response.body).to include('Si vous voulez l’utiliser, l’ancienne démarche sera archivée')