diff --git a/InvenTree/stock/api.py b/InvenTree/stock/api.py
index 0e11037392..a6b5bf6f38 100644
--- a/InvenTree/stock/api.py
+++ b/InvenTree/stock/api.py
@@ -779,6 +779,7 @@ class StockList(APIDownloadMixin, ListCreateDestroyAPIView):
             })
 
         try:
+            Part.objects.prefetch_related(None)
             part = Part.objects.get(pk=data.get('part', None))
         except (ValueError, Part.DoesNotExist):
             raise ValidationError({