diff --git a/kfet/auth/fields.py b/kfet/auth/fields.py
index 4a3c56ec..7bf53296 100644
--- a/kfet/auth/fields.py
+++ b/kfet/auth/fields.py
@@ -7,7 +7,7 @@ from .models import KFetPermission
 
 class KFetPermissionsField(forms.ModelMultipleChoiceField):
     def __init__(self, *args, **kwargs):
-        kwargs.setdefault("queryset", KFetPermission.kfet.all())
+        kwargs.setdefault("queryset", KFetPermission.objects.all())
         kwargs.setdefault("widget", widgets.CheckboxSelectMultiple)
         super().__init__(*args, **kwargs)
 
diff --git a/kfet/auth/models.py b/kfet/auth/models.py
index 4dc70d1e..2946d537 100644
--- a/kfet/auth/models.py
+++ b/kfet/auth/models.py
@@ -3,6 +3,8 @@ from django.db import models
 from django.utils.crypto import get_random_string
 from django.utils.translation import ugettext_lazy as _
 
+KFET_APP_LABELS = ["kfet", "kfetauth"]
+
 
 class GenericTeamTokenManager(models.Manager):
     def create_token(self):
@@ -18,28 +20,36 @@ class GenericTeamToken(models.Model):
     objects = GenericTeamTokenManager()
 
 
-class KFetGroup(Group):
-    # Même si on n'ajoute que des méthodes, on fait un héritage complet pour
-    # mieux distinguer les groupes K-Fêt via l'ORM (i.e. faire `KFetGroup.objects.all`)
-
-    class Meta:
-        verbose_name = _("Groupe K-Fêt")
-        verbose_name_plural = _("Groupes K-Fêt")
-
-
 class KFetPermissionManager(models.Manager):
     def get_queryset(self):
         return (
-            super()
-            .get_queryset()
-            .filter(content_type__app_label__in=["kfet", "kfetauth"])
+            super().get_queryset().filter(content_type__app_label__in=KFET_APP_LABELS)
         )
 
 
 class KFetPermission(Permission):
-    kfet = KFetPermissionManager()
+    objects = KFetPermissionManager()
 
     class Meta:
         proxy = True
         verbose_name = _("Permission K-Fêt")
         verbose_name_plural = _("Permissions K-Fêt")
+
+
+class KFetGroup(Group):
+    # Même si on n'ajoute que des méthodes, on fait un héritage complet pour
+    # mieux distinguer les groupes K-Fêt via l'ORM (i.e. faire `KFetGroup.objects.all`)
+
+    def give_admin_access(self):
+        perms = KFetPermission.objects.all()
+        self.permissions.add(*perms)
+
+    def give_staff_access(self):
+        perms = KFetPermission.objects.filter(
+            codename__in=["is_team", "perform_deposit", "add_account", "add_transfer"]
+        )
+        self.permissions.add(*perms)
+
+    class Meta:
+        verbose_name = _("Groupe K-Fêt")
+        verbose_name_plural = _("Groupes K-Fêt")
diff --git a/kfet/management/commands/loadkfetdevdata.py b/kfet/management/commands/loadkfetdevdata.py
index 9c1425b4..83957e0f 100644
--- a/kfet/management/commands/loadkfetdevdata.py
+++ b/kfet/management/commands/loadkfetdevdata.py
@@ -6,12 +6,13 @@ import os
 import random
 from datetime import timedelta
 
-from django.contrib.auth.models import Group, Permission, User
+from django.contrib.auth.models import User
 from django.core.management import call_command
 from django.utils import timezone
 
 from gestioncof.management.base import MyBaseCommand
 from gestioncof.models import CofProfile
+from kfet.auth.models import KFetGroup
 from kfet.models import (
     Account,
     Article,
@@ -33,23 +34,11 @@ class Command(MyBaseCommand):
         # Groupes
         # ---
 
-        Group.objects.filter(name__icontains="K-Fêt").delete()
+        group_chef, _ = KFetGroup.objects.get_or_create(name="K-Fêt César")
+        group_boy, _ = KFetGroup.objects.get_or_create(name="K-Fêt Légionnaire")
 
-        group_chef = Group(name="K-Fêt César")
-        group_boy = Group(name="K-Fêt Légionnaire")
-
-        group_chef.save()
-        group_boy.save()
-
-        permissions_chef = Permission.objects.filter(
-            content_type__app_label="kfet",
-        )
-        permissions_boy = Permission.objects.filter(
-            content_type__app_label="kfet", codename__in=["is_team", "perform_deposit"]
-        )
-
-        group_chef.permissions.add(*permissions_chef)
-        group_boy.permissions.add(*permissions_boy)
+        group_chef.give_admin_access()
+        group_chef.give_staff_access()
 
         # ---
         # Comptes