diff --git a/apps/treasury/models.py b/apps/treasury/models.py
index 548c3b1e..6d5b4021 100644
--- a/apps/treasury/models.py
+++ b/apps/treasury/models.py
@@ -321,6 +321,7 @@ class SogeCredit(models.Model):
             last_name=self.user.last_name,
             first_name=self.user.first_name,
             bank="Société générale",
+            created_at=self.transactions.order_by("-created_at").first().created_at,
         )
         self.save()