diff --git a/lib/widget/stock_detail.dart b/lib/widget/stock_detail.dart
index 1d64d6a8..91ca9d72 100644
--- a/lib/widget/stock_detail.dart
+++ b/lib/widget/stock_detail.dart
@@ -575,7 +575,7 @@ class _StockItemDisplayState extends RefreshableState<StockDetailWidget> {
     );
 
     // Add or remove custom barcode
-    if (item.uid.isEmpty) {
+    if (item != null && item.uid.isEmpty) {
       tiles.add(
         ListTile(
           title: Text(L10().barcodeAssign),