diff --git a/app/views/new_administrateur/procedures/_publication_form.html.haml b/app/views/new_administrateur/procedures/_publication_form.html.haml
index 523bad031..8699b1c9e 100644
--- a/app/views/new_administrateur/procedures/_publication_form.html.haml
+++ b/app/views/new_administrateur/procedures/_publication_form.html.haml
@@ -11,8 +11,8 @@
                       placeholder: 'chemin-de-la-démarche',
                       required: true,
                       class: 'form',
-                      pattern: '^[a-z0-9_-]{3,50}$',
-                      title: "De 3 à 50 caractères; minuscules, chiffres et tiret seulement",
+                      pattern: '^[a-z0-9_-]{3,200}$',
+                      title: "De 3 à 200 caractères; minuscules, chiffres et tiret seulement",
                       data: { debounce: true, url: admin_procedure_publish_validate_path(procedure)},
                       autocomplete: 'off',
                       style: 'width: 300px; display: inline;')