diff --git a/core/management/commands/populate.py b/core/management/commands/populate.py
index 8f101d9f..e48cb491 100644
--- a/core/management/commands/populate.py
+++ b/core/management/commands/populate.py
@@ -784,13 +784,13 @@ class Command(BaseCommand):
         # public has no permission.
         # Its purpose is not to link users to permissions,
         # but to other objects (like products)
-        public_group = Group.objects.create(name="Public")
+        public_group = Group.objects.create(name="Publique")
 
-        subscribers = Group.objects.create(name="Subscribers")
+        subscribers = Group.objects.create(name="Cotisants")
         subscribers.permissions.add(
             *list(perms.filter(codename__in=["add_news", "add_uvcomment"]))
         )
-        old_subscribers = Group.objects.create(name="Old subscribers")
+        old_subscribers = Group.objects.create(name="Anciens cotisants")
         old_subscribers.permissions.add(
             *list(
                 perms.filter(
@@ -812,7 +812,7 @@ class Command(BaseCommand):
             )
         )
         accounting_admin = Group.objects.create(
-            name="Accounting admin", is_manually_manageable=True
+            name="Admin comptabilité", is_manually_manageable=True
         )
         accounting_admin.permissions.add(
             *list(
@@ -833,7 +833,7 @@ class Command(BaseCommand):
             )
         )
         com_admin = Group.objects.create(
-            name="Communication admin", is_manually_manageable=True
+            name="Admin communication", is_manually_manageable=True
         )
         com_admin.permissions.add(
             *list(
@@ -841,7 +841,7 @@ class Command(BaseCommand):
             )
         )
         counter_admin = Group.objects.create(
-            name="Counter admin", is_manually_manageable=True
+            name="Admin comptoirs", is_manually_manageable=True
         )
         counter_admin.permissions.add(
             *list(
@@ -851,14 +851,14 @@ class Command(BaseCommand):
                 )
             )
         )
-        sas_admin = Group.objects.create(name="SAS admin", is_manually_manageable=True)
+        sas_admin = Group.objects.create(name="Admin SAS", is_manually_manageable=True)
         sas_admin.permissions.add(
             *list(
                 perms.filter(content_type__app_label="sas").values_list("pk", flat=True)
             )
         )
         forum_admin = Group.objects.create(
-            name="Forum admin", is_manually_manageable=True
+            name="Admin forum", is_manually_manageable=True
         )
         forum_admin.permissions.add(
             *list(
@@ -868,7 +868,7 @@ class Command(BaseCommand):
             )
         )
         pedagogy_admin = Group.objects.create(
-            name="Pedagogy admin", is_manually_manageable=True
+            name="Admin pédagogie", is_manually_manageable=True
         )
         pedagogy_admin.permissions.add(
             *list(
diff --git a/core/management/commands/populate_more.py b/core/management/commands/populate_more.py
index 447b6b98..f9456712 100644
--- a/core/management/commands/populate_more.py
+++ b/core/management/commands/populate_more.py
@@ -238,7 +238,13 @@ class Command(BaseCommand):
         ae = Club.objects.get(id=settings.SITH_MAIN_CLUB_ID)
         other_clubs = random.sample(list(Club.objects.all()), k=3)
         groups = list(
-            Group.objects.filter(name__in=["Subscribers", "Old subscribers", "Public"])
+            Group.objects.filter(
+                id__in=[
+                    settings.SITH_GROUP_SUBSCRIBERS_ID,
+                    settings.SITH_GROUP_OLD_SUBSCRIBERS_ID,
+                    settings.SITH_GROUP_PUBLIC_ID,
+                ]
+            )
         )
         counters = list(
             Counter.objects.filter(name__in=["Foyer", "MDE", "La Gommette", "Eboutic"])
diff --git a/core/tests/test_core.py b/core/tests/test_core.py
index 72cde11c..a3af6052 100644
--- a/core/tests/test_core.py
+++ b/core/tests/test_core.py
@@ -361,17 +361,9 @@ class TestUserIsInGroup(TestCase):
 
     @classmethod
     def setUpTestData(cls):
-        cls.root_group = Group.objects.get(name="Root")
-        cls.public_group = Group.objects.get(name="Public")
+        cls.public_group = Group.objects.get(id=settings.SITH_GROUP_PUBLIC_ID)
         cls.public_user = baker.make(User)
-        cls.subscribers = Group.objects.get(name="Subscribers")
-        cls.old_subscribers = Group.objects.get(name="Old subscribers")
-        cls.accounting_admin = Group.objects.get(name="Accounting admin")
-        cls.com_admin = Group.objects.get(name="Communication admin")
-        cls.counter_admin = Group.objects.get(name="Counter admin")
-        cls.sas_admin = Group.objects.get(name="SAS admin")
         cls.club = baker.make(Club)
-        cls.main_club = Club.objects.get(id=1)
 
     def assert_in_public_group(self, user):
         assert user.is_in_group(pk=self.public_group.id)
@@ -379,15 +371,7 @@ class TestUserIsInGroup(TestCase):
 
     def assert_only_in_public_group(self, user):
         self.assert_in_public_group(user)
-        for group in (
-            self.root_group,
-            self.accounting_admin,
-            self.sas_admin,
-            self.subscribers,
-            self.old_subscribers,
-            self.club.members_group,
-            self.club.board_group,
-        ):
+        for group in Group.objects.exclude(id=self.public_group.id):
             assert not user.is_in_group(pk=group.pk)
             assert not user.is_in_group(name=group.name)
 
diff --git a/rootplace/tests/test_merge_users.py b/rootplace/tests/test_merge_users.py
index baaa8ca9..294e2bae 100644
--- a/rootplace/tests/test_merge_users.py
+++ b/rootplace/tests/test_merge_users.py
@@ -53,9 +53,9 @@ class TestMergeUser(TestCase):
         self.to_keep.address = "Jerusalem"
         self.to_delete.parent_address = "Rome"
         self.to_delete.address = "Rome"
-        subscribers = Group.objects.get(name="Subscribers")
+        subscribers = Group.objects.get(id=settings.SITH_GROUP_SUBSCRIBERS_ID)
         mde_admin = Group.objects.get(name="MDE admin")
-        sas_admin = Group.objects.get(name="SAS admin")
+        sas_admin = Group.objects.get(id=settings.SITH_GROUP_SAS_ADMIN_ID)
         self.to_keep.groups.add(subscribers.id)
         self.to_delete.groups.add(mde_admin.id)
         self.to_keep.groups.add(sas_admin.id)