diff --git a/app/views/shared/dossiers/_edit.html.haml b/app/views/shared/dossiers/_edit.html.haml
index 03282ecfc..f298f5d89 100644
--- a/app/views/shared/dossiers/_edit.html.haml
+++ b/app/views/shared/dossiers/_edit.html.haml
@@ -6,7 +6,7 @@
   - elsif dossier.brouillon?
     - form_options = { url: brouillon_dossier_url(dossier), method: :patch, html: { class: 'form', multipart: true } }
   - else
-    - form_options = { url: dossier_url(dossier), method: :patch, html: { class: 'form', multipart: true } }
+    - form_options = { url: modifier_dossier_url(dossier), method: :patch, html: { class: 'form', multipart: true } }
 
   = form_for dossier, form_options do |f|
 
diff --git a/config/routes.rb b/config/routes.rb
index 9d49f7ed8..cb8855c75 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -271,14 +271,14 @@ Rails.application.routes.draw do
   #
 
   scope module: 'new_user' do
-    resources :dossiers, only: [:index, :show, :update] do
+    resources :dossiers, only: [:index, :show] do
       member do
         get 'identite'
         patch 'update_identite'
         get 'brouillon'
         patch 'brouillon', to: 'dossiers#update_brouillon'
         get 'modifier', to: 'dossiers#modifier'
-        patch ':id', to: 'dossiers#update'
+        patch 'modifier', to: 'dossiers#update'
         get 'merci'
         get 'demande'
         get 'messagerie'