diff --git a/app/Models/RequestCharacteristic.php b/app/Models/RequestCharacteristic.php
index 67a2339..f4afad0 100644
--- a/app/Models/RequestCharacteristic.php
+++ b/app/Models/RequestCharacteristic.php
@@ -19,6 +19,7 @@ class RequestCharacteristic extends Model
         'item_id',
         'characteristic_approver_master_id',
         'aufnr',
+        'gernr',
         'characteristic_name',
         'current_value',
         'update_value',