diff --git a/app/models/m_odr_file_roulage.rb b/app/models/m_odr_file_roulage.rb
index 03a2d9d..6768374 100644
--- a/app/models/m_odr_file_roulage.rb
+++ b/app/models/m_odr_file_roulage.rb
@@ -2,6 +2,8 @@ class MOdrFileRoulage < ApplicationRecord
   belongs_to :m_odr_file
   belongs_to :m_event
 
+  validates :date, :presence => true
+
   before_validation do
     self.nbr_primes = 2
     
diff --git a/app/views/public/m_odr_files/_m_odr_file.html.haml b/app/views/public/m_odr_files/_m_odr_file.html.haml
index a131889..8e4b799 100644
--- a/app/views/public/m_odr_files/_m_odr_file.html.haml
+++ b/app/views/public/m_odr_files/_m_odr_file.html.haml
@@ -21,7 +21,7 @@
   %tr#m_odr_file_row{:id => m_odr_file.id}
 
     %td
-      =l m_odr_file.created_at, :format => :date if m_odr_file.created_at
+      =l m_odr_file.buy_at, :format => :date if m_odr_file.buy_at
 
     %td
       =link_to ic(:download)+" Télécharger le document", download_admin_m_odr_file_path(m_odr_file, :disposition => "attachment")