diff --git a/api/serializers.py b/api/serializers.py
index 3e111920..ec4d0689 100644
--- a/api/serializers.py
+++ b/api/serializers.py
@@ -795,7 +795,7 @@ class UserSerializer(NamespacedHMSerializer):
             "access",
             "end_access",
             "uid",
-            "class_name",
+            "class_type",
             "api_url",
         )
         extra_kwargs = {"shell": {"view_name": "shell-detail"}}
diff --git a/cotisations/models.py b/cotisations/models.py
index 1a593dad..215fcdb5 100644
--- a/cotisations/models.py
+++ b/cotisations/models.py
@@ -775,7 +775,7 @@ class Article(RevMixin, AclMixin, models.Model):
             target_user: The user to sell articles
         """
         if target_user is None:
-            objects_pool = cls.objects.filter(Q(type_user="All"))
+            objects_pool = cls.objects.all()
         elif target_user.is_class_club:
             objects_pool = cls.objects.filter(Q(type_user="All") | Q(type_user="Club"))
         else:
diff --git a/cotisations/views.py b/cotisations/views.py
index c39aa815..cc80e22d 100644
--- a/cotisations/views.py
+++ b/cotisations/views.py
@@ -102,7 +102,7 @@ def new_facture(request, user, userid):
     invoice = Facture(user=user)
     # The template needs the list of articles (for the JS part)
     article_list = Article.objects.filter(
-        Q(type_user="All") | Q(type_user=request.user.class_name)
+        Q(type_user="All") | Q(type_user=user.class_type)
     )
     # Building the invoice form and the article formset
     invoice_form = FactureForm(
@@ -184,9 +184,7 @@ def new_cost_estimate(request):
     point of view.
     """
     # The template needs the list of articles (for the JS part)
-    articles = Article.objects.filter(
-        Q(type_user="All") | Q(type_user=request.user.class_name)
-    )
+    articles = Article.objects.all()
     # Building the invocie form and the article formset
     cost_estimate_form = CostEstimateForm(request.POST or None)
 
@@ -241,9 +239,7 @@ def new_custom_invoice(request):
     point of view.
     """
     # The template needs the list of articles (for the JS part)
-    articles = Article.objects.filter(
-        Q(type_user="All") | Q(type_user=request.user.class_name)
-    )
+    articles = Article.objects.all()
     # Building the invocie form and the article formset
     invoice_form = CustomInvoiceForm(request.POST or None)
 
diff --git a/users/models.py b/users/models.py
index ba15354b..3d21548a 100755
--- a/users/models.py
+++ b/users/models.py
@@ -283,8 +283,18 @@ class User(
             return str(self.emailaddress_set.get(local_part=self.pseudo.lower()))
 
     @cached_property
-    def class_name(self):
-        """Renvoie si il s'agit d'un adhérent ou d'un club"""
+    def class_type(self):
+        """Returns the type of that user; returns database keyname"""
+        if hasattr(self, "adherent"):
+            return "Adherent"
+        elif hasattr(self, "club"):
+            return "Club"
+        else:
+            raise NotImplementedError(_("Unknown type."))
+
+    @cached_property
+    def class_display(self):
+        """Returns the typename of that user to display for user interface"""
         if hasattr(self, "adherent"):
             return _("Member")
         elif hasattr(self, "club"):