diff --git a/app/models/procedure.rb b/app/models/procedure.rb
index b721afe24..120d96ef7 100644
--- a/app/models/procedure.rb
+++ b/app/models/procedure.rb
@@ -155,7 +155,12 @@ class Procedure < ApplicationRecord
   # Warning: dossier after_save build_default_champs must be removed
   # to save a dossier created from this method
   def new_dossier
-    Dossier.new(procedure: self, champs: build_champs, champs_private: build_champs_private)
+    Dossier.new(
+      procedure: self,
+      champs: build_champs,
+      champs_private: build_champs_private,
+      groupe_instructeur: defaut_groupe_instructeur
+    )
   end
 
   def build_champs
diff --git a/spec/factories/procedure.rb b/spec/factories/procedure.rb
index 6136d005b..b652d1cc0 100644
--- a/spec/factories/procedure.rb
+++ b/spec/factories/procedure.rb
@@ -34,8 +34,13 @@ FactoryBot.define do
         dossiers_count { 1 }
       end
 
-      after(:build) do |procedure, evaluator|
-        procedure.dossiers << create_list(:dossier, evaluator.dossiers_count, procedure: procedure)
+      after(:create) do |procedure, evaluator|
+        user = create(:user)
+        evaluator.dossiers_count.times do
+          dossier = procedure.new_dossier
+          dossier.user = user
+          dossier.save!
+        end
       end
     end