diff --git a/InvenTree/part/views.py b/InvenTree/part/views.py
index 6f8d66de21..1fdc5b60e3 100644
--- a/InvenTree/part/views.py
+++ b/InvenTree/part/views.py
@@ -2043,7 +2043,8 @@ class PartPricing(AjaxView):
         # Stock history
         if part_settings.part_show_graph and part.total_stock > 1:
             ret = []
-            stock = part.stock_entries(include_variants=False, in_stock=True)
+            stock = part.stock_entries(include_variants=False, in_stock=True) #.order_by('purchase_order__date')
+            stock = stock.prefetch_related('purchase_order', 'supplier_part')
 
             for stock_item in stock:
                 if None in [stock_item.purchase_price, stock_item.quantity]: