diff --git a/src/staff/views.py b/src/staff/views.py
index 508866bd..07c91297 100644
--- a/src/staff/views.py
+++ b/src/staff/views.py
@@ -564,7 +564,7 @@ def get_order(self) -> ExtractionOrder:
     def get_queryset(self) -> QuerySet[Sample]:
         return Sample.objects.filter(
             order=self.get_order(), genlab_id__isnull=False
-        ).prefetch_related("order")
+        ).prefetch_related("order", "type", "isolation_method")
 
     def get_isolation_methods(self) -> QuerySet[IsolationMethod, str]:
         types = self.get_queryset().values_list("type", flat=True).distinct()