diff --git a/app/Models/TestingPanelReading.php b/app/Models/TestingPanelReading.php
index c19879ad8..f50175cc4 100644
--- a/app/Models/TestingPanelReading.php
+++ b/app/Models/TestingPanelReading.php
@@ -17,6 +17,7 @@ class TestingPanelReading extends Model
 		'machine_id',
 		'output',
 		'serial_number',
+        'winded_serial_number',
 		'before_fr_volt',
 		'before_fr_cur',
 		'before_fr_pow',