diff --git a/core/filters.py b/core/filters.py
index 6c3ca07e..a1471f40 100644
--- a/core/filters.py
+++ b/core/filters.py
@@ -188,7 +188,7 @@ class ProductFilter(FilterSet):
             return queryset.none()
 
         if include_children:
-            descendants = root.get_ancestors(include_self=True)
+            descendants = root.get_descendants(include_self=True)
             return queryset.filter(category__in=descendants)
         else:
             return queryset.filter(category__uuid=value)