diff --git a/app/Controllers/StockController.php b/app/Controllers/StockController.php
index 0f9f4fe8..69c9bb95 100644
--- a/app/Controllers/StockController.php
+++ b/app/Controllers/StockController.php
@@ -1209,7 +1209,7 @@ class StockController extends BaseController
 
                 if(!empty($previousMonthCustomMachineCodes)){
                     $existingCustomMachineCodes = $this->factoryMachine_model
-                                                ->getSelectedDieselMachines(array_column($previousMonthCustomMachineCodes, 'machine_id'));
+                                                ->getSelectedElectricMachines(array_column($previousMonthCustomMachineCodes, 'machine_id'));
                 }else{
 
                     // inserting  all active if no previous month present