diff --git a/kfet/migrations/0062_generic_profiles.py b/kfet/migrations/0062_generic_profiles.py
index b80fe3e8..08b75935 100644
--- a/kfet/migrations/0062_generic_profiles.py
+++ b/kfet/migrations/0062_generic_profiles.py
@@ -17,7 +17,7 @@ class Migration(migrations.Migration):
             name='cofprofile',
             field=models.OneToOneField(
                 to='gestion.Profile',
-                on_delete=models.CASCADE,
+                on_delete=models.PROTECT,
                 related_name='account_kfet'),
         ),
         migrations.RenameField(