diff --git a/core/filters.py b/core/filters.py
index f0cebd1c..6681d7f5 100644
--- a/core/filters.py
+++ b/core/filters.py
@@ -422,9 +422,11 @@ class CategoryFilter(FilterSet):
             parent_order = f"-{field}" if desc else field
             child_order = parent_order
 
-        qs = queryset.order_by(parent_order)
-        children_qs = Category.objects.all().order_by(child_order)
+        qs = queryset.order_by(parent_order).prefetch_related(None)
 
+        children_qs = (
+            Category.objects.all().order_by(child_order) if child_order != "?" else Category.objects.all().order_by("?")
+        )
         return qs.prefetch_related(Prefetch("children", queryset=children_qs))
 
     def filter_name(self, queryset, _name, value):