diff --git a/InvenTree/part/views.py b/InvenTree/part/views.py
index 8deec0750f..918c015f94 100644
--- a/InvenTree/part/views.py
+++ b/InvenTree/part/views.py
@@ -391,8 +391,8 @@ class PartImport(FileManagementFormView):
                 default_supplier=optional_matches['default_supplier'],
                 variant_of=optional_matches['variant_of'],
                 active=str2bool(part_data.get('active', True)),
-                base_cost=part_data.get('base_cost', None),
-                multiple=part_data.get('multiple', None),
+                base_cost=part_data.get('base_cost', 0),
+                multiple=part_data.get('multiple', 1),
                 assembly=str2bool(part_data.get('assembly', part_settings.part_assembly_default())),
                 component=str2bool(part_data.get('component', part_settings.part_component_default())),
                 is_template=str2bool(part_data.get('is_template', part_settings.part_template_default())),