diff --git a/kfet/tests/test_views.py b/kfet/tests/test_views.py
index 432a77e8..82997e44 100644
--- a/kfet/tests/test_views.py
+++ b/kfet/tests/test_views.py
@@ -4028,6 +4028,7 @@ class KPsulArticlesData(ViewTestCaseMixin, TestCase):
                         "category_id",
                         "category__name",
                         "category__has_addcost",
+                        "category__has_reduction",
                     ]
                 ),
             )