diff --git a/app/controllers/manager/procedures_controller.rb b/app/controllers/manager/procedures_controller.rb
index d5bef5228..b3241429f 100644
--- a/app/controllers/manager/procedures_controller.rb
+++ b/app/controllers/manager/procedures_controller.rb
@@ -1,14 +1,12 @@
 module Manager
   class ProceduresController < Manager::ApplicationController
     def whitelist
-      procedure = Procedure.find(params[:id])
       procedure.whitelist!
       flash[:notice] = "Démarche whitelistée."
       redirect_to manager_procedure_path(procedure)
     end
 
     def draft
-      procedure = Procedure.find(params[:id])
       if procedure.dossiers.empty?
         procedure.draft!
         flash[:notice] = "La démarche a bien été passée en brouillon."
@@ -19,14 +17,12 @@ module Manager
     end
 
     def hide
-      procedure = Procedure.find(params[:id])
       procedure.hide!
       flash[:notice] = "La démarche a bien été supprimée, en cas d'erreur contactez un développeur."
       redirect_to manager_procedures_path
     end
 
     def add_administrateur
-      procedure = Procedure.find(params[:id])
       administrateur = Administrateur.find_by(email: params[:email])
       if administrateur
         procedure.administrateurs << administrateur
@@ -36,5 +32,28 @@ module Manager
       end
       redirect_to manager_procedure_path(procedure)
     end
+
+    def change_piece_justificative_template
+      if type_de_champ.update(type_de_champ_params)
+        flash[:notice] = "Le modèle est mis à jour."
+      else
+        flash[:alert] = type_de_champ.errors.full_messages.join(', ')
+      end
+      redirect_to manager_procedure_path(procedure)
+    end
+
+    private
+
+    def procedure
+      Procedure.find(params[:id])
+    end
+
+    def type_de_champ
+      TypeDeChamp.find(params[:type_de_champ][:id])
+    end
+
+    def type_de_champ_params
+      params.require(:type_de_champ).permit(:piece_justificative_template)
+    end
   end
 end
diff --git a/app/views/fields/types_de_champ_collection_field/_show.html.haml b/app/views/fields/types_de_champ_collection_field/_show.html.haml
index 86b298e54..f70d88c66 100644
--- a/app/views/fields/types_de_champ_collection_field/_show.html.haml
+++ b/app/views/fields/types_de_champ_collection_field/_show.html.haml
@@ -5,6 +5,7 @@
         %td.cell-label Libelle
         %td.cell-label Type de champ
         %td.cell-label Rempli
+        %td.cell-label Modifier le modèle
     %tbody
       - field.data.order(:order_place).each do |f|
         %tr
@@ -20,5 +21,14 @@
               vide
             - else
               rempli
+
+          %td.cell-data
+            - if f.type_champ == 'piece_justificative'
+              = form_for f,
+                url: change_piece_justificative_template_manager_procedure_path,
+                method: :post  do |form|
+                = form.hidden_field :id
+                = form.file_field :piece_justificative_template
+                = form.submit 'modifier'
 - else
   Aucun
diff --git a/config/routes.rb b/config/routes.rb
index 20cd28d8a..33493af6c 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -11,6 +11,7 @@ Rails.application.routes.draw do
       post 'draft', on: :member
       post 'hide', on: :member
       post 'add_administrateur', on: :member
+      post 'change_piece_justificative_template', on: :member
     end
 
     resources :dossiers, only: [:index, :show] do