diff --git a/lib/inventree/company.dart b/lib/inventree/company.dart
index da34f14a..aea0325c 100644
--- a/lib/inventree/company.dart
+++ b/lib/inventree/company.dart
@@ -101,6 +101,8 @@ class InvenTreeSupplierPart extends InvenTreeModel {
 
   String get MPN => jsondata['MPN'] ?? '';
 
+  int get partId => jsondata['part'] ?? -1;
+
   @override
   InvenTreeModel createFromJson(Map<String, dynamic> json) {
     var part = InvenTreeSupplierPart.fromJson(json);